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Vampire---5.0.1.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Vampire---5.0.1
% Problem  : SEU675^1 : TPTP v9.3.1. Released v3.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM

% Computer : n009.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Sep 30 08:30:41 AM UTC 2026

% Result   : Theorem 6.65s 1.47s
% Output   : Refutation 6.65s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :  218
%            Number of leaves      :   12
% Syntax   : Number of formulae    :  283 ( 240 unt;   0 typ;   5 def)
%            Number of atoms       : 24965 ( 678 equ;   0 cnn)
%            Maximal formula atoms :  193 (  88 avg)
%            Number of connectives : 36267 (  51   ~;  44   |; 827   &;13591   @)
%                                         (   5 <=>;20306  =>;   0  <=;   0 <~>)
%            Maximal formula depth :  200 (   3 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   33 (  33   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :  259 ( 254 usr; 204 con; 0-4 aty)
%                                         (1030  !!; 413  ??;   0 @@+;   0 @@-)
%            Number of variables   : 2608 (   0 sgn  32   !;   2   ?;2608   :)

% Comments : 
%------------------------------------------------------------------------------
thf(type_def_5,type,
    sTfun: ( $tType * $tType ) > $tType ).

thf(func_def_0,type,
    in: $i > $i > $o ).

thf(func_def_1,type,
    exu: ( $i > $o ) > $o ).

thf(func_def_3,type,
    setextAx: $o ).

thf(func_def_5,type,
    emptysetAx: $o ).

thf(func_def_6,type,
    setadjoin: $i > $i > $i ).

thf(func_def_7,type,
    setadjoinAx: $o ).

thf(func_def_8,type,
    powerset: $i > $i ).

thf(func_def_9,type,
    powersetAx: $o ).

thf(func_def_10,type,
    setunion: $i > $i ).

thf(func_def_11,type,
    setunionAx: $o ).

thf(func_def_13,type,
    omega0Ax: $o ).

thf(func_def_14,type,
    omegaSAx: $o ).

thf(func_def_15,type,
    omegaIndAx: $o ).

thf(func_def_16,type,
    replAx: $o ).

thf(func_def_17,type,
    foundationAx: $o ).

thf(func_def_18,type,
    wellorderingAx: $o ).

thf(func_def_19,type,
    descr: ( $i > $o ) > $i ).

thf(func_def_20,type,
    descrp: $o ).

thf(func_def_21,type,
    dsetconstr: $i > ( $i > $o ) > $i ).

thf(func_def_22,type,
    dsetconstrI: $o ).

thf(func_def_23,type,
    dsetconstrEL: $o ).

thf(func_def_24,type,
    dsetconstrER: $o ).

thf(func_def_25,type,
    exuE1: $o ).

thf(func_def_26,type,
    prop2set: $o > $i ).

thf(func_def_27,type,
    prop2setE: $o ).

thf(func_def_28,type,
    emptysetE: $o ).

thf(func_def_29,type,
    emptysetimpfalse: $o ).

thf(func_def_30,type,
    notinemptyset: $o ).

thf(func_def_31,type,
    exuE3e: $o ).

thf(func_def_32,type,
    setext: $o ).

thf(func_def_33,type,
    emptyI: $o ).

thf(func_def_34,type,
    noeltsimpempty: $o ).

thf(func_def_35,type,
    setbeta: $o ).

thf(func_def_36,type,
    nonempty: $i > $o ).

thf(func_def_37,type,
    nonemptyE1: $o ).

thf(func_def_38,type,
    nonemptyI: $o ).

thf(func_def_39,type,
    nonemptyI1: $o ).

thf(func_def_40,type,
    setadjoinIL: $o ).

thf(func_def_41,type,
    emptyinunitempty: $o ).

thf(func_def_42,type,
    setadjoinIR: $o ).

thf(func_def_43,type,
    setadjoinE: $o ).

thf(func_def_44,type,
    setadjoinOr: $o ).

thf(func_def_45,type,
    setoftrueEq: $o ).

thf(func_def_46,type,
    powersetI: $o ).

thf(func_def_47,type,
    emptyinPowerset: $o ).

thf(func_def_48,type,
    emptyInPowerset: $o ).

thf(func_def_49,type,
    powersetE: $o ).

thf(func_def_50,type,
    setunionI: $o ).

thf(func_def_51,type,
    setunionE: $o ).

thf(func_def_52,type,
    subPowSU: $o ).

thf(func_def_53,type,
    exuE2: $o ).

thf(func_def_54,type,
    nonemptyImpWitness: $o ).

thf(func_def_55,type,
    uniqinunit: $o ).

thf(func_def_56,type,
    notinsingleton: $o ).

thf(func_def_57,type,
    eqinunit: $o ).

thf(func_def_58,type,
    singletonsswitch: $o ).

thf(func_def_59,type,
    upairsetE: $o ).

thf(func_def_60,type,
    upairsetIL: $o ).

thf(func_def_61,type,
    upairsetIR: $o ).

thf(func_def_62,type,
    emptyE1: $o ).

thf(func_def_63,type,
    vacuousDall: $o ).

thf(func_def_64,type,
    quantDeMorgan1: $o ).

thf(func_def_65,type,
    quantDeMorgan2: $o ).

thf(func_def_66,type,
    quantDeMorgan3: $o ).

thf(func_def_67,type,
    quantDeMorgan4: $o ).

thf(func_def_68,type,
    prop2setI: $o ).

thf(func_def_69,type,
    set2prop: $i > $o ).

thf(func_def_70,type,
    prop2set2propI: $o ).

thf(func_def_71,type,
    notdexE: $o ).

thf(func_def_72,type,
    notdallE: $o ).

thf(func_def_73,type,
    exuI1: $o ).

thf(func_def_74,type,
    exuI3: $o ).

thf(func_def_75,type,
    exuI2: $o ).

thf(func_def_76,type,
    inCongP: $o ).

thf(func_def_77,type,
    in__Cong: $o ).

thf(func_def_78,type,
    exuE3u: $o ).

thf(func_def_79,type,
    exu__Cong: $o ).

thf(func_def_80,type,
    emptyset__Cong: $o ).

thf(func_def_81,type,
    setadjoin__Cong: $o ).

thf(func_def_82,type,
    powerset__Cong: $o ).

thf(func_def_83,type,
    setunion__Cong: $o ).

thf(func_def_84,type,
    omega__Cong: $o ).

thf(func_def_85,type,
    exuEu: $o ).

thf(func_def_86,type,
    descr__Cong: $o ).

thf(func_def_87,type,
    dsetconstr__Cong: $o ).

thf(func_def_88,type,
    subset: $i > $i > $o ).

thf(func_def_89,type,
    disjoint: $i > $i > $o ).

thf(func_def_90,type,
    setsmeet: $i > $i > $o ).

thf(func_def_91,type,
    subsetI1: $o ).

thf(func_def_92,type,
    eqimpsubset2: $o ).

thf(func_def_93,type,
    eqimpsubset1: $o ).

thf(func_def_94,type,
    subsetI2: $o ).

thf(func_def_95,type,
    emptysetsubset: $o ).

thf(func_def_96,type,
    subsetE: $o ).

thf(func_def_97,type,
    subsetE2: $o ).

thf(func_def_98,type,
    notsubsetI: $o ).

thf(func_def_99,type,
    notequalI1: $o ).

thf(func_def_100,type,
    notequalI2: $o ).

thf(func_def_101,type,
    subsetRefl: $o ).

thf(func_def_102,type,
    subsetTrans: $o ).

thf(func_def_103,type,
    setadjoinSub: $o ).

thf(func_def_104,type,
    setadjoinSub2: $o ).

thf(func_def_105,type,
    subset2powerset: $o ).

thf(func_def_106,type,
    setextsub: $o ).

thf(func_def_107,type,
    subsetemptysetimpeq: $o ).

thf(func_def_108,type,
    powersetI1: $o ).

thf(func_def_109,type,
    powersetE1: $o ).

thf(func_def_110,type,
    inPowerset: $o ).

thf(func_def_111,type,
    powersetsubset: $o ).

thf(func_def_112,type,
    sepInPowerset: $o ).

thf(func_def_113,type,
    sepSubset: $o ).

thf(func_def_114,type,
    binunion: $i > $i > $i ).

thf(func_def_115,type,
    binunionIL: $o ).

thf(func_def_116,type,
    upairset2IR: $o ).

thf(func_def_117,type,
    binunionIR: $o ).

thf(func_def_118,type,
    binunionEcases: $o ).

thf(func_def_119,type,
    binunionE: $o ).

thf(func_def_120,type,
    binunionLsub: $o ).

thf(func_def_121,type,
    binunionRsub: $o ).

thf(func_def_122,type,
    binintersect: $i > $i > $i ).

thf(func_def_123,type,
    binintersectI: $o ).

thf(func_def_124,type,
    binintersectSubset5: $o ).

thf(func_def_125,type,
    binintersectEL: $o ).

thf(func_def_126,type,
    binintersectLsub: $o ).

thf(func_def_127,type,
    binintersectSubset2: $o ).

thf(func_def_128,type,
    binintersectSubset3: $o ).

thf(func_def_129,type,
    binintersectER: $o ).

thf(func_def_130,type,
    disjointsetsI1: $o ).

thf(func_def_131,type,
    binintersectRsub: $o ).

thf(func_def_132,type,
    binintersectSubset4: $o ).

thf(func_def_133,type,
    binintersectSubset1: $o ).

thf(func_def_134,type,
    bs114d: $o ).

thf(func_def_135,type,
    regular: $i > $o ).

thf(func_def_136,type,
    setminus: $i > $i > $i ).

thf(func_def_137,type,
    setminusI: $o ).

thf(func_def_138,type,
    setminusEL: $o ).

thf(func_def_139,type,
    setminusER: $o ).

thf(func_def_140,type,
    setminusSubset2: $o ).

thf(func_def_141,type,
    setminusERneg: $o ).

thf(func_def_142,type,
    setminusELneg: $o ).

thf(func_def_143,type,
    setminusILneg: $o ).

thf(func_def_144,type,
    setminusIRneg: $o ).

thf(func_def_145,type,
    setminusLsub: $o ).

thf(func_def_146,type,
    setminusSubset1: $o ).

thf(func_def_147,type,
    symdiff: $i > $i > $i ).

thf(func_def_148,type,
    symdiffE: $o ).

thf(func_def_149,type,
    symdiffI1: $o ).

thf(func_def_150,type,
    symdiffI2: $o ).

thf(func_def_151,type,
    symdiffIneg1: $o ).

thf(func_def_152,type,
    symdiffIneg2: $o ).

thf(func_def_153,type,
    iskpair: $i > $o ).

thf(func_def_154,type,
    secondinupair: $o ).

thf(func_def_155,type,
    setukpairIL: $o ).

thf(func_def_156,type,
    setukpairIR: $o ).

thf(func_def_157,type,
    kpairiskpair: $o ).

thf(func_def_158,type,
    kpair: $i > $i > $i ).

thf(func_def_159,type,
    kpairp: $o ).

thf(func_def_160,type,
    cartprod: $i > $i > $i ).

thf(func_def_161,type,
    singletonsubset: $o ).

thf(func_def_162,type,
    singletoninpowerset: $o ).

thf(func_def_163,type,
    singletoninpowunion: $o ).

thf(func_def_164,type,
    upairset2E: $o ).

thf(func_def_165,type,
    upairsubunion: $o ).

thf(func_def_166,type,
    upairinpowunion: $o ).

thf(func_def_167,type,
    ubforcartprodlem1: $o ).

thf(func_def_168,type,
    ubforcartprodlem2: $o ).

thf(func_def_169,type,
    ubforcartprodlem3: $o ).

thf(func_def_170,type,
    cartprodpairin: $o ).

thf(func_def_171,type,
    cartprodmempair1: $o ).

thf(func_def_172,type,
    cartprodmempair: $o ).

thf(func_def_173,type,
    setunionE2: $o ).

thf(func_def_174,type,
    setunionsingleton1: $o ).

thf(func_def_175,type,
    setunionsingleton2: $o ).

thf(func_def_176,type,
    setunionsingleton: $o ).

thf(func_def_177,type,
    singleton: $i > $o ).

thf(func_def_178,type,
    singletonprop: $o ).

thf(func_def_179,type,
    ex1: $i > ( $i > $o ) > $o ).

thf(func_def_180,type,
    ex1E1: $o ).

thf(func_def_181,type,
    ex1I: $o ).

thf(func_def_182,type,
    ex1I2: $o ).

thf(func_def_183,type,
    singletonsuniq: $o ).

thf(func_def_184,type,
    atmost1p: $i > $o ).

thf(func_def_185,type,
    atleast2p: $i > $o ).

thf(func_def_186,type,
    atmost2p: $i > $o ).

thf(func_def_187,type,
    upairsetp: $i > $o ).

thf(func_def_188,type,
    setukpairinjL1: $o ).

thf(func_def_189,type,
    kfstsingleton: $o ).

thf(func_def_190,type,
    theprop: $o ).

thf(func_def_191,type,
    kfst: $i > $i ).

thf(func_def_192,type,
    kfstpairEq: $o ).

thf(func_def_193,type,
    cartprodfstin: $o ).

thf(func_def_194,type,
    setukpairinjL2: $o ).

thf(func_def_195,type,
    setukpairinjL: $o ).

thf(func_def_196,type,
    setukpairinjR11: $o ).

thf(func_def_197,type,
    setukpairinjR12: $o ).

thf(func_def_198,type,
    setukpairinjR1: $o ).

thf(func_def_199,type,
    upairequniteq: $o ).

thf(func_def_200,type,
    setukpairinjR2: $o ).

thf(func_def_201,type,
    setukpairinjR: $o ).

thf(func_def_202,type,
    ksndsingleton: $o ).

thf(func_def_203,type,
    ksnd: $i > $i ).

thf(func_def_204,type,
    ksndpairEq: $o ).

thf(func_def_205,type,
    kpairsurjEq: $o ).

thf(func_def_206,type,
    cartprodsndin: $o ).

thf(func_def_207,type,
    cartprodpairmemEL: $o ).

thf(func_def_208,type,
    cartprodpairmemER: $o ).

thf(func_def_209,type,
    cartprodmempaircEq: $o ).

thf(func_def_210,type,
    cartprodfstpairEq: $o ).

thf(func_def_211,type,
    cartprodsndpairEq: $o ).

thf(func_def_212,type,
    cartprodpairsurjEq: $o ).

thf(func_def_213,type,
    breln: $i > $i > $i > $o ).

thf(func_def_214,type,
    dpsetconstr: $i > $i > ( $i > $i > $o ) > $i ).

thf(func_def_215,type,
    dpsetconstrI: $o ).

thf(func_def_216,type,
    dpsetconstrSub: $o ).

thf(func_def_217,type,
    setOfPairsIsBReln: $o ).

thf(func_def_218,type,
    dpsetconstrERa: $o ).

thf(func_def_219,type,
    dpsetconstrEL1: $o ).

thf(func_def_220,type,
    dpsetconstrEL2: $o ).

thf(func_def_221,type,
    dpsetconstrER: $o ).

thf(func_def_222,type,
    func: $i > $i > $i > $o ).

thf(func_def_223,type,
    funcSet: $i > $i > $i ).

thf(func_def_224,type,
    funcImageSingleton: $o ).

thf(func_def_225,type,
    apProp: $o ).

thf(func_def_226,type,
    ap: $i > $i > $i > $i > $i ).

thf(func_def_227,type,
    app: $o ).

thf(func_def_228,type,
    vPI: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_229,type,
    vIMP: $o > $o > $o ).

thf(func_def_230,type,
    db0: 
      !>[X0: $tType] : X0 ).

thf(func_def_231,type,
    db1: 
      !>[X0: $tType] : X0 ).

thf(func_def_232,type,
    vEQ: 
      !>[X0: $tType] : ( X0 > X0 > $o ) ).

thf(func_def_233,type,
    vLAM: 
      !>[X0: $tType,X1: $tType] : ( X1 > X0 > X1 ) ).

thf(func_def_234,type,
    db2: 
      !>[X0: $tType] : X0 ).

thf(func_def_235,type,
    db3: 
      !>[X0: $tType] : X0 ).

thf(func_def_236,type,
    vSIGMA: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_237,type,
    vAND: $o > $o > $o ).

thf(func_def_238,type,
    vNOT: $o > $o ).

thf(func_def_239,type,
    vOR: $o > $o > $o ).

thf(func_def_242,type,
    db4: 
      !>[X0: $tType] : X0 ).

thf(func_def_243,type,
    vIFF: $o > $o > $o ).

thf(func_def_244,type,
    db5: 
      !>[X0: $tType] : X0 ).

thf(func_def_245,type,
    db6: 
      !>[X0: $tType] : X0 ).

thf(func_def_251,type,
    sK5: $i > $i ).

thf(func_def_252,type,
    sK6: $i > $i ).

thf(func_def_253,type,
    sK7: $i > $i ).

thf(f16,axiom,
    ! [X0: $i,X1: $i > $o,X2: $i] :
      ( ( ( in @ X2
          @ ( dsetconstr @ X0
            @ ^ [X3: $i] : ( X1 @ X3 ) ) )
       => ( X1 @ X2 ) )
      = dsetconstrER ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dsetconstrER) ).

thf(f156,axiom,
    ( singleton
    = ( ^ [X0: $i] :
        ? [X1: $i] :
          ( ( X0
            = ( setadjoin @ X1 @ emptyset ) )
          & ( in @ X1 @ X0 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton) ).

thf(f158,axiom,
    ( ex1
    = ( ^ [X0: $i,X1: $i > $o] :
          ( singleton
          @ ( dsetconstr @ X0
            @ ^ [X2: $i] : ( X1 @ X2 ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ex1) ).

thf(f186,axiom,
    ( ( ^ [X0: $i,X1: $i,X2: $i] : ( subset @ X2 @ ( cartprod @ X0 @ X1 ) ) )
    = breln ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',breln) ).

thf(f194,axiom,
    ( func
    = ( ^ [X0: $i,X1: $i,X2: $i] :
          ( ( breln @ X0 @ X1 @ X2 )
          & ! [X3: $i] :
              ( ( in @ X3 @ X0 )
             => ( ex1 @ X1
                @ ^ [X4: $i] : ( in @ ( kpair @ X3 @ X4 ) @ X2 ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',func) ).

thf(f195,axiom,
    ( funcSet
    = ( ^ [X0: $i,X1: $i] :
          ( dsetconstr @ ( powerset @ ( cartprod @ X0 @ X1 ) )
          @ ^ [X2: $i] : ( func @ X0 @ X1 @ X2 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',funcSet) ).

thf(f200,conjecture,
    ( setextAx
   => ( emptysetAx
     => ( setadjoinAx
       => ( powersetAx
         => ( setunionAx
           => ( omega0Ax
             => ( omegaSAx
               => ( omegaIndAx
                 => ( replAx
                   => ( foundationAx
                     => ( wellorderingAx
                       => ( descrp
                         => ( dsetconstrI
                           => ( dsetconstrEL
                             => ( dsetconstrER
                               => ( exuE1
                                 => ( prop2setE
                                   => ( emptysetE
                                     => ( emptysetimpfalse
                                       => ( notinemptyset
                                         => ( exuE3e
                                           => ( setext
                                             => ( emptyI
                                               => ( noeltsimpempty
                                                 => ( setbeta
                                                   => ( nonemptyE1
                                                     => ( nonemptyI
                                                       => ( nonemptyI1
                                                         => ( setadjoinIL
                                                           => ( emptyinunitempty
                                                             => ( setadjoinIR
                                                               => ( setadjoinE
                                                                 => ( setadjoinOr
                                                                   => ( setoftrueEq
                                                                     => ( powersetI
                                                                       => ( emptyinPowerset
                                                                         => ( emptyInPowerset
                                                                           => ( powersetE
                                                                             => ( setunionI
                                                                               => ( setunionE
                                                                                 => ( subPowSU
                                                                                   => ( exuE2
                                                                                     => ( nonemptyImpWitness
                                                                                       => ( uniqinunit
                                                                                         => ( notinsingleton
                                                                                           => ( eqinunit
                                                                                             => ( singletonsswitch
                                                                                               => ( upairsetE
                                                                                                 => ( upairsetIL
                                                                                                   => ( upairsetIR
                                                                                                     => ( emptyE1
                                                                                                       => ( vacuousDall
                                                                                                         => ( quantDeMorgan1
                                                                                                           => ( quantDeMorgan2
                                                                                                             => ( quantDeMorgan3
                                                                                                               => ( quantDeMorgan4
                                                                                                                 => ( prop2setI
                                                                                                                   => ( prop2set2propI
                                                                                                                     => ( notdexE
                                                                                                                       => ( notdallE
                                                                                                                         => ( exuI1
                                                                                                                           => ( exuI3
                                                                                                                             => ( exuI2
                                                                                                                               => ( inCongP
                                                                                                                                 => ( in__Cong
                                                                                                                                   => ( exuE3u
                                                                                                                                     => ( exu__Cong
                                                                                                                                       => ( emptyset__Cong
                                                                                                                                         => ( setadjoin__Cong
                                                                                                                                           => ( powerset__Cong
                                                                                                                                             => ( setunion__Cong
                                                                                                                                               => ( omega__Cong
                                                                                                                                                 => ( exuEu
                                                                                                                                                   => ( descr__Cong
                                                                                                                                                     => ( dsetconstr__Cong
                                                                                                                                                       => ( subsetI1
                                                                                                                                                         => ( eqimpsubset2
                                                                                                                                                           => ( eqimpsubset1
                                                                                                                                                             => ( subsetI2
                                                                                                                                                               => ( emptysetsubset
                                                                                                                                                                 => ( subsetE
                                                                                                                                                                   => ( subsetE2
                                                                                                                                                                     => ( notsubsetI
                                                                                                                                                                       => ( notequalI1
                                                                                                                                                                         => ( notequalI2
                                                                                                                                                                           => ( subsetRefl
                                                                                                                                                                             => ( subsetTrans
                                                                                                                                                                               => ( setadjoinSub
                                                                                                                                                                                 => ( setadjoinSub2
                                                                                                                                                                                   => ( subset2powerset
                                                                                                                                                                                     => ( setextsub
                                                                                                                                                                                       => ( subsetemptysetimpeq
                                                                                                                                                                                         => ( powersetI1
                                                                                                                                                                                           => ( powersetE1
                                                                                                                                                                                             => ( inPowerset
                                                                                                                                                                                               => ( powersetsubset
                                                                                                                                                                                                 => ( sepInPowerset
                                                                                                                                                                                                   => ( sepSubset
                                                                                                                                                                                                     => ( binunionIL
                                                                                                                                                                                                       => ( upairset2IR
                                                                                                                                                                                                         => ( binunionIR
                                                                                                                                                                                                           => ( binunionEcases
                                                                                                                                                                                                             => ( binunionE
                                                                                                                                                                                                               => ( binunionLsub
                                                                                                                                                                                                                 => ( binunionRsub
                                                                                                                                                                                                                   => ( binintersectI
                                                                                                                                                                                                                     => ( binintersectSubset5
                                                                                                                                                                                                                       => ( binintersectEL
                                                                                                                                                                                                                         => ( binintersectLsub
                                                                                                                                                                                                                           => ( binintersectSubset2
                                                                                                                                                                                                                             => ( binintersectSubset3
                                                                                                                                                                                                                               => ( binintersectER
                                                                                                                                                                                                                                 => ( disjointsetsI1
                                                                                                                                                                                                                                   => ( binintersectRsub
                                                                                                                                                                                                                                     => ( binintersectSubset4
                                                                                                                                                                                                                                       => ( binintersectSubset1
                                                                                                                                                                                                                                         => ( bs114d
                                                                                                                                                                                                                                           => ( setminusI
                                                                                                                                                                                                                                             => ( setminusEL
                                                                                                                                                                                                                                               => ( setminusER
                                                                                                                                                                                                                                                 => ( setminusSubset2
                                                                                                                                                                                                                                                   => ( setminusERneg
                                                                                                                                                                                                                                                     => ( setminusELneg
                                                                                                                                                                                                                                                       => ( setminusILneg
                                                                                                                                                                                                                                                         => ( setminusIRneg
                                                                                                                                                                                                                                                           => ( setminusLsub
                                                                                                                                                                                                                                                             => ( setminusSubset1
                                                                                                                                                                                                                                                               => ( symdiffE
                                                                                                                                                                                                                                                                 => ( symdiffI1
                                                                                                                                                                                                                                                                   => ( symdiffI2
                                                                                                                                                                                                                                                                     => ( symdiffIneg1
                                                                                                                                                                                                                                                                       => ( symdiffIneg2
                                                                                                                                                                                                                                                                         => ( secondinupair
                                                                                                                                                                                                                                                                           => ( setukpairIL
                                                                                                                                                                                                                                                                             => ( setukpairIR
                                                                                                                                                                                                                                                                               => ( kpairiskpair
                                                                                                                                                                                                                                                                                 => ( kpairp
                                                                                                                                                                                                                                                                                   => ( singletonsubset
                                                                                                                                                                                                                                                                                     => ( singletoninpowerset
                                                                                                                                                                                                                                                                                       => ( singletoninpowunion
                                                                                                                                                                                                                                                                                         => ( upairset2E
                                                                                                                                                                                                                                                                                           => ( upairsubunion
                                                                                                                                                                                                                                                                                             => ( upairinpowunion
                                                                                                                                                                                                                                                                                               => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                                 => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                                   => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                                     => ( cartprodpairin
                                                                                                                                                                                                                                                                                                       => ( cartprodmempair1
                                                                                                                                                                                                                                                                                                         => ( cartprodmempair
                                                                                                                                                                                                                                                                                                           => ( setunionE2
                                                                                                                                                                                                                                                                                                             => ( setunionsingleton1
                                                                                                                                                                                                                                                                                                               => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                                 => ( setunionsingleton
                                                                                                                                                                                                                                                                                                                   => ( singletonprop
                                                                                                                                                                                                                                                                                                                     => ( ex1E1
                                                                                                                                                                                                                                                                                                                       => ( ex1I
                                                                                                                                                                                                                                                                                                                         => ( ex1I2
                                                                                                                                                                                                                                                                                                                           => ( singletonsuniq
                                                                                                                                                                                                                                                                                                                             => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                                               => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                                 => ( theprop
                                                                                                                                                                                                                                                                                                                                   => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                                     => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                                       => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                                         => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                                           => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                                             => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                                               => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                                 => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                                       => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                                         => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                                           => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                             => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                               => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                                                 => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                                   => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                                     => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                                       => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                                         => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                                               => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                                         => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                                           => ( apProp
                                                                                                                                                                                                                                                                                                                                                                                             => ( app
                                                                                                                                                                                                                                                                                                                                                                                               => ! [X0: $i,X1: $i,X2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ X2 @ ( funcSet @ X0 @ X1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                   => ( func @ X0 @ X1 @ X2 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',infuncsetfunc) ).

thf(f201,negated_conjecture,
    ~ ( setextAx
     => ( emptysetAx
       => ( setadjoinAx
         => ( powersetAx
           => ( setunionAx
             => ( omega0Ax
               => ( omegaSAx
                 => ( omegaIndAx
                   => ( replAx
                     => ( foundationAx
                       => ( wellorderingAx
                         => ( descrp
                           => ( dsetconstrI
                             => ( dsetconstrEL
                               => ( dsetconstrER
                                 => ( exuE1
                                   => ( prop2setE
                                     => ( emptysetE
                                       => ( emptysetimpfalse
                                         => ( notinemptyset
                                           => ( exuE3e
                                             => ( setext
                                               => ( emptyI
                                                 => ( noeltsimpempty
                                                   => ( setbeta
                                                     => ( nonemptyE1
                                                       => ( nonemptyI
                                                         => ( nonemptyI1
                                                           => ( setadjoinIL
                                                             => ( emptyinunitempty
                                                               => ( setadjoinIR
                                                                 => ( setadjoinE
                                                                   => ( setadjoinOr
                                                                     => ( setoftrueEq
                                                                       => ( powersetI
                                                                         => ( emptyinPowerset
                                                                           => ( emptyInPowerset
                                                                             => ( powersetE
                                                                               => ( setunionI
                                                                                 => ( setunionE
                                                                                   => ( subPowSU
                                                                                     => ( exuE2
                                                                                       => ( nonemptyImpWitness
                                                                                         => ( uniqinunit
                                                                                           => ( notinsingleton
                                                                                             => ( eqinunit
                                                                                               => ( singletonsswitch
                                                                                                 => ( upairsetE
                                                                                                   => ( upairsetIL
                                                                                                     => ( upairsetIR
                                                                                                       => ( emptyE1
                                                                                                         => ( vacuousDall
                                                                                                           => ( quantDeMorgan1
                                                                                                             => ( quantDeMorgan2
                                                                                                               => ( quantDeMorgan3
                                                                                                                 => ( quantDeMorgan4
                                                                                                                   => ( prop2setI
                                                                                                                     => ( prop2set2propI
                                                                                                                       => ( notdexE
                                                                                                                         => ( notdallE
                                                                                                                           => ( exuI1
                                                                                                                             => ( exuI3
                                                                                                                               => ( exuI2
                                                                                                                                 => ( inCongP
                                                                                                                                   => ( in__Cong
                                                                                                                                     => ( exuE3u
                                                                                                                                       => ( exu__Cong
                                                                                                                                         => ( emptyset__Cong
                                                                                                                                           => ( setadjoin__Cong
                                                                                                                                             => ( powerset__Cong
                                                                                                                                               => ( setunion__Cong
                                                                                                                                                 => ( omega__Cong
                                                                                                                                                   => ( exuEu
                                                                                                                                                     => ( descr__Cong
                                                                                                                                                       => ( dsetconstr__Cong
                                                                                                                                                         => ( subsetI1
                                                                                                                                                           => ( eqimpsubset2
                                                                                                                                                             => ( eqimpsubset1
                                                                                                                                                               => ( subsetI2
                                                                                                                                                                 => ( emptysetsubset
                                                                                                                                                                   => ( subsetE
                                                                                                                                                                     => ( subsetE2
                                                                                                                                                                       => ( notsubsetI
                                                                                                                                                                         => ( notequalI1
                                                                                                                                                                           => ( notequalI2
                                                                                                                                                                             => ( subsetRefl
                                                                                                                                                                               => ( subsetTrans
                                                                                                                                                                                 => ( setadjoinSub
                                                                                                                                                                                   => ( setadjoinSub2
                                                                                                                                                                                     => ( subset2powerset
                                                                                                                                                                                       => ( setextsub
                                                                                                                                                                                         => ( subsetemptysetimpeq
                                                                                                                                                                                           => ( powersetI1
                                                                                                                                                                                             => ( powersetE1
                                                                                                                                                                                               => ( inPowerset
                                                                                                                                                                                                 => ( powersetsubset
                                                                                                                                                                                                   => ( sepInPowerset
                                                                                                                                                                                                     => ( sepSubset
                                                                                                                                                                                                       => ( binunionIL
                                                                                                                                                                                                         => ( upairset2IR
                                                                                                                                                                                                           => ( binunionIR
                                                                                                                                                                                                             => ( binunionEcases
                                                                                                                                                                                                               => ( binunionE
                                                                                                                                                                                                                 => ( binunionLsub
                                                                                                                                                                                                                   => ( binunionRsub
                                                                                                                                                                                                                     => ( binintersectI
                                                                                                                                                                                                                       => ( binintersectSubset5
                                                                                                                                                                                                                         => ( binintersectEL
                                                                                                                                                                                                                           => ( binintersectLsub
                                                                                                                                                                                                                             => ( binintersectSubset2
                                                                                                                                                                                                                               => ( binintersectSubset3
                                                                                                                                                                                                                                 => ( binintersectER
                                                                                                                                                                                                                                   => ( disjointsetsI1
                                                                                                                                                                                                                                     => ( binintersectRsub
                                                                                                                                                                                                                                       => ( binintersectSubset4
                                                                                                                                                                                                                                         => ( binintersectSubset1
                                                                                                                                                                                                                                           => ( bs114d
                                                                                                                                                                                                                                             => ( setminusI
                                                                                                                                                                                                                                               => ( setminusEL
                                                                                                                                                                                                                                                 => ( setminusER
                                                                                                                                                                                                                                                   => ( setminusSubset2
                                                                                                                                                                                                                                                     => ( setminusERneg
                                                                                                                                                                                                                                                       => ( setminusELneg
                                                                                                                                                                                                                                                         => ( setminusILneg
                                                                                                                                                                                                                                                           => ( setminusIRneg
                                                                                                                                                                                                                                                             => ( setminusLsub
                                                                                                                                                                                                                                                               => ( setminusSubset1
                                                                                                                                                                                                                                                                 => ( symdiffE
                                                                                                                                                                                                                                                                   => ( symdiffI1
                                                                                                                                                                                                                                                                     => ( symdiffI2
                                                                                                                                                                                                                                                                       => ( symdiffIneg1
                                                                                                                                                                                                                                                                         => ( symdiffIneg2
                                                                                                                                                                                                                                                                           => ( secondinupair
                                                                                                                                                                                                                                                                             => ( setukpairIL
                                                                                                                                                                                                                                                                               => ( setukpairIR
                                                                                                                                                                                                                                                                                 => ( kpairiskpair
                                                                                                                                                                                                                                                                                   => ( kpairp
                                                                                                                                                                                                                                                                                     => ( singletonsubset
                                                                                                                                                                                                                                                                                       => ( singletoninpowerset
                                                                                                                                                                                                                                                                                         => ( singletoninpowunion
                                                                                                                                                                                                                                                                                           => ( upairset2E
                                                                                                                                                                                                                                                                                             => ( upairsubunion
                                                                                                                                                                                                                                                                                               => ( upairinpowunion
                                                                                                                                                                                                                                                                                                 => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                                   => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                                     => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                                       => ( cartprodpairin
                                                                                                                                                                                                                                                                                                         => ( cartprodmempair1
                                                                                                                                                                                                                                                                                                           => ( cartprodmempair
                                                                                                                                                                                                                                                                                                             => ( setunionE2
                                                                                                                                                                                                                                                                                                               => ( setunionsingleton1
                                                                                                                                                                                                                                                                                                                 => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                                   => ( setunionsingleton
                                                                                                                                                                                                                                                                                                                     => ( singletonprop
                                                                                                                                                                                                                                                                                                                       => ( ex1E1
                                                                                                                                                                                                                                                                                                                         => ( ex1I
                                                                                                                                                                                                                                                                                                                           => ( ex1I2
                                                                                                                                                                                                                                                                                                                             => ( singletonsuniq
                                                                                                                                                                                                                                                                                                                               => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                                                 => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                                   => ( theprop
                                                                                                                                                                                                                                                                                                                                     => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                                       => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                                         => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                                           => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                                             => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                                               => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                                   => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                                       => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                                         => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                                           => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                                             => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                               => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                                 => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                                                   => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                                     => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                                       => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                                         => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                                           => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                                           => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                                             => ( apProp
                                                                                                                                                                                                                                                                                                                                                                                               => ( app
                                                                                                                                                                                                                                                                                                                                                                                                 => ! [X0: $i,X1: $i,X2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ X2 @ ( funcSet @ X0 @ X1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                     => ( func @ X0 @ X1 @ X2 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f200]) ).

thf(f228,plain,
    ( func
    = ( ^ [X0: $i,X1: $i,X2: $i] :
          ( ( breln @ X0 @ X1 @ X2 )
          & ! [X3: $i] :
              ( ( in @ X3 @ X0 )
             => ( ex1 @ X1
                @ ^ [X4: $i] : ( in @ ( kpair @ X3 @ X4 ) @ X2 ) ) ) ) ) ),
    inference(rectify,[],[f194]) ).

thf(f229,plain,
    ( func
    = ( ^ [Y0: $i,Y1: $i,Y2: $i] :
          ( ( !! @ $i
            @ ^ [Y3: $i] :
                ( ( in @ Y3 @ Y0 )
               => ( ex1 @ Y1
                  @ ^ [Y4: $i] : ( in @ ( kpair @ Y3 @ Y4 ) @ Y2 ) ) ) )
          & ( breln @ Y0 @ Y1 @ Y2 ) ) ) ),
    inference(fool_elimination,[],[f228]) ).

thf(f405,plain,
    ( ex1
    = ( ^ [X0: $i,X1: $i > $o] :
          ( singleton
          @ ( dsetconstr @ X0
            @ ^ [X2: $i] : ( X1 @ X2 ) ) ) ) ),
    inference(rectify,[],[f158]) ).

thf(f406,plain,
    ( ex1
    = ( ^ [Y0: $i,Y1: $i > $o] :
          ( singleton
          @ ( dsetconstr @ Y0
            @ ^ [Y2: $i] : ( Y1 @ Y2 ) ) ) ) ),
    inference(fool_elimination,[],[f405]) ).

thf(f411,plain,
    ! [X0: $i,X1: $i > $o,X2: $i] :
      ( ( ( in @ X2
          @ ( dsetconstr @ X0
            @ ^ [X3: $i] : ( X1 @ X3 ) ) )
       => ( X1 @ X2 ) )
      = dsetconstrER ),
    inference(rectify,[],[f16]) ).

thf(f412,plain,
    ( dsetconstrER
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ ( $i > $o )
          @ ^ [Y1: $i > $o] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y0
                    @ ( dsetconstr @ Y2
                      @ ^ [Y3: $i] : ( Y1 @ Y3 ) ) )
                 => ( Y1 @ Y0 ) ) ) ) ) ),
    inference(fool_elimination,[],[f411]) ).

thf(f422,plain,
    ~ ( setextAx
     => ( emptysetAx
       => ( setadjoinAx
         => ( powersetAx
           => ( setunionAx
             => ( omega0Ax
               => ( omegaSAx
                 => ( omegaIndAx
                   => ( replAx
                     => ( foundationAx
                       => ( wellorderingAx
                         => ( descrp
                           => ( dsetconstrI
                             => ( dsetconstrEL
                               => ( dsetconstrER
                                 => ( exuE1
                                   => ( prop2setE
                                     => ( emptysetE
                                       => ( emptysetimpfalse
                                         => ( notinemptyset
                                           => ( exuE3e
                                             => ( setext
                                               => ( emptyI
                                                 => ( noeltsimpempty
                                                   => ( setbeta
                                                     => ( nonemptyE1
                                                       => ( nonemptyI
                                                         => ( nonemptyI1
                                                           => ( setadjoinIL
                                                             => ( emptyinunitempty
                                                               => ( setadjoinIR
                                                                 => ( setadjoinE
                                                                   => ( setadjoinOr
                                                                     => ( setoftrueEq
                                                                       => ( powersetI
                                                                         => ( emptyinPowerset
                                                                           => ( emptyInPowerset
                                                                             => ( powersetE
                                                                               => ( setunionI
                                                                                 => ( setunionE
                                                                                   => ( subPowSU
                                                                                     => ( exuE2
                                                                                       => ( nonemptyImpWitness
                                                                                         => ( uniqinunit
                                                                                           => ( notinsingleton
                                                                                             => ( eqinunit
                                                                                               => ( singletonsswitch
                                                                                                 => ( upairsetE
                                                                                                   => ( upairsetIL
                                                                                                     => ( upairsetIR
                                                                                                       => ( emptyE1
                                                                                                         => ( vacuousDall
                                                                                                           => ( quantDeMorgan1
                                                                                                             => ( quantDeMorgan2
                                                                                                               => ( quantDeMorgan3
                                                                                                                 => ( quantDeMorgan4
                                                                                                                   => ( prop2setI
                                                                                                                     => ( prop2set2propI
                                                                                                                       => ( notdexE
                                                                                                                         => ( notdallE
                                                                                                                           => ( exuI1
                                                                                                                             => ( exuI3
                                                                                                                               => ( exuI2
                                                                                                                                 => ( inCongP
                                                                                                                                   => ( in__Cong
                                                                                                                                     => ( exuE3u
                                                                                                                                       => ( exu__Cong
                                                                                                                                         => ( emptyset__Cong
                                                                                                                                           => ( setadjoin__Cong
                                                                                                                                             => ( powerset__Cong
                                                                                                                                               => ( setunion__Cong
                                                                                                                                                 => ( omega__Cong
                                                                                                                                                   => ( exuEu
                                                                                                                                                     => ( descr__Cong
                                                                                                                                                       => ( dsetconstr__Cong
                                                                                                                                                         => ( subsetI1
                                                                                                                                                           => ( eqimpsubset2
                                                                                                                                                             => ( eqimpsubset1
                                                                                                                                                               => ( subsetI2
                                                                                                                                                                 => ( emptysetsubset
                                                                                                                                                                   => ( subsetE
                                                                                                                                                                     => ( subsetE2
                                                                                                                                                                       => ( notsubsetI
                                                                                                                                                                         => ( notequalI1
                                                                                                                                                                           => ( notequalI2
                                                                                                                                                                             => ( subsetRefl
                                                                                                                                                                               => ( subsetTrans
                                                                                                                                                                                 => ( setadjoinSub
                                                                                                                                                                                   => ( setadjoinSub2
                                                                                                                                                                                     => ( subset2powerset
                                                                                                                                                                                       => ( setextsub
                                                                                                                                                                                         => ( subsetemptysetimpeq
                                                                                                                                                                                           => ( powersetI1
                                                                                                                                                                                             => ( powersetE1
                                                                                                                                                                                               => ( inPowerset
                                                                                                                                                                                                 => ( powersetsubset
                                                                                                                                                                                                   => ( sepInPowerset
                                                                                                                                                                                                     => ( sepSubset
                                                                                                                                                                                                       => ( binunionIL
                                                                                                                                                                                                         => ( upairset2IR
                                                                                                                                                                                                           => ( binunionIR
                                                                                                                                                                                                             => ( binunionEcases
                                                                                                                                                                                                               => ( binunionE
                                                                                                                                                                                                                 => ( binunionLsub
                                                                                                                                                                                                                   => ( binunionRsub
                                                                                                                                                                                                                     => ( binintersectI
                                                                                                                                                                                                                       => ( binintersectSubset5
                                                                                                                                                                                                                         => ( binintersectEL
                                                                                                                                                                                                                           => ( binintersectLsub
                                                                                                                                                                                                                             => ( binintersectSubset2
                                                                                                                                                                                                                               => ( binintersectSubset3
                                                                                                                                                                                                                                 => ( binintersectER
                                                                                                                                                                                                                                   => ( disjointsetsI1
                                                                                                                                                                                                                                     => ( binintersectRsub
                                                                                                                                                                                                                                       => ( binintersectSubset4
                                                                                                                                                                                                                                         => ( binintersectSubset1
                                                                                                                                                                                                                                           => ( bs114d
                                                                                                                                                                                                                                             => ( setminusI
                                                                                                                                                                                                                                               => ( setminusEL
                                                                                                                                                                                                                                                 => ( setminusER
                                                                                                                                                                                                                                                   => ( setminusSubset2
                                                                                                                                                                                                                                                     => ( setminusERneg
                                                                                                                                                                                                                                                       => ( setminusELneg
                                                                                                                                                                                                                                                         => ( setminusILneg
                                                                                                                                                                                                                                                           => ( setminusIRneg
                                                                                                                                                                                                                                                             => ( setminusLsub
                                                                                                                                                                                                                                                               => ( setminusSubset1
                                                                                                                                                                                                                                                                 => ( symdiffE
                                                                                                                                                                                                                                                                   => ( symdiffI1
                                                                                                                                                                                                                                                                     => ( symdiffI2
                                                                                                                                                                                                                                                                       => ( symdiffIneg1
                                                                                                                                                                                                                                                                         => ( symdiffIneg2
                                                                                                                                                                                                                                                                           => ( secondinupair
                                                                                                                                                                                                                                                                             => ( setukpairIL
                                                                                                                                                                                                                                                                               => ( setukpairIR
                                                                                                                                                                                                                                                                                 => ( kpairiskpair
                                                                                                                                                                                                                                                                                   => ( kpairp
                                                                                                                                                                                                                                                                                     => ( singletonsubset
                                                                                                                                                                                                                                                                                       => ( singletoninpowerset
                                                                                                                                                                                                                                                                                         => ( singletoninpowunion
                                                                                                                                                                                                                                                                                           => ( upairset2E
                                                                                                                                                                                                                                                                                             => ( upairsubunion
                                                                                                                                                                                                                                                                                               => ( upairinpowunion
                                                                                                                                                                                                                                                                                                 => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                                   => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                                     => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                                       => ( cartprodpairin
                                                                                                                                                                                                                                                                                                         => ( cartprodmempair1
                                                                                                                                                                                                                                                                                                           => ( cartprodmempair
                                                                                                                                                                                                                                                                                                             => ( setunionE2
                                                                                                                                                                                                                                                                                                               => ( setunionsingleton1
                                                                                                                                                                                                                                                                                                                 => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                                   => ( setunionsingleton
                                                                                                                                                                                                                                                                                                                     => ( singletonprop
                                                                                                                                                                                                                                                                                                                       => ( ex1E1
                                                                                                                                                                                                                                                                                                                         => ( ex1I
                                                                                                                                                                                                                                                                                                                           => ( ex1I2
                                                                                                                                                                                                                                                                                                                             => ( singletonsuniq
                                                                                                                                                                                                                                                                                                                               => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                                                 => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                                   => ( theprop
                                                                                                                                                                                                                                                                                                                                     => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                                       => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                                         => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                                           => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                                             => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                                               => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                                   => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                                       => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                                         => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                                           => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                                             => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                               => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                                 => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                                                   => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                                     => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                                       => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                                         => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                                           => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                                           => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                                             => ( apProp
                                                                                                                                                                                                                                                                                                                                                                                               => ( app
                                                                                                                                                                                                                                                                                                                                                                                                 => ! [X0: $i,X1: $i,X2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ X2 @ ( funcSet @ X0 @ X1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                     => ( func @ X0 @ X1 @ X2 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(rectify,[],[f201]) ).

thf(f423,plain,
    ( $true
    = ( ~ ( setextAx
         => ( emptysetAx
           => ( setadjoinAx
             => ( powersetAx
               => ( setunionAx
                 => ( omega0Ax
                   => ( omegaSAx
                     => ( omegaIndAx
                       => ( replAx
                         => ( foundationAx
                           => ( wellorderingAx
                             => ( descrp
                               => ( dsetconstrI
                                 => ( dsetconstrEL
                                   => ( dsetconstrER
                                     => ( exuE1
                                       => ( prop2setE
                                         => ( emptysetE
                                           => ( emptysetimpfalse
                                             => ( notinemptyset
                                               => ( exuE3e
                                                 => ( setext
                                                   => ( emptyI
                                                     => ( noeltsimpempty
                                                       => ( setbeta
                                                         => ( nonemptyE1
                                                           => ( nonemptyI
                                                             => ( nonemptyI1
                                                               => ( setadjoinIL
                                                                 => ( emptyinunitempty
                                                                   => ( setadjoinIR
                                                                     => ( setadjoinE
                                                                       => ( setadjoinOr
                                                                         => ( setoftrueEq
                                                                           => ( powersetI
                                                                             => ( emptyinPowerset
                                                                               => ( emptyInPowerset
                                                                                 => ( powersetE
                                                                                   => ( setunionI
                                                                                     => ( setunionE
                                                                                       => ( subPowSU
                                                                                         => ( exuE2
                                                                                           => ( nonemptyImpWitness
                                                                                             => ( uniqinunit
                                                                                               => ( notinsingleton
                                                                                                 => ( eqinunit
                                                                                                   => ( singletonsswitch
                                                                                                     => ( upairsetE
                                                                                                       => ( upairsetIL
                                                                                                         => ( upairsetIR
                                                                                                           => ( emptyE1
                                                                                                             => ( vacuousDall
                                                                                                               => ( quantDeMorgan1
                                                                                                                 => ( quantDeMorgan2
                                                                                                                   => ( quantDeMorgan3
                                                                                                                     => ( quantDeMorgan4
                                                                                                                       => ( prop2setI
                                                                                                                         => ( prop2set2propI
                                                                                                                           => ( notdexE
                                                                                                                             => ( notdallE
                                                                                                                               => ( exuI1
                                                                                                                                 => ( exuI3
                                                                                                                                   => ( exuI2
                                                                                                                                     => ( inCongP
                                                                                                                                       => ( in__Cong
                                                                                                                                         => ( exuE3u
                                                                                                                                           => ( exu__Cong
                                                                                                                                             => ( emptyset__Cong
                                                                                                                                               => ( setadjoin__Cong
                                                                                                                                                 => ( powerset__Cong
                                                                                                                                                   => ( setunion__Cong
                                                                                                                                                     => ( omega__Cong
                                                                                                                                                       => ( exuEu
                                                                                                                                                         => ( descr__Cong
                                                                                                                                                           => ( dsetconstr__Cong
                                                                                                                                                             => ( subsetI1
                                                                                                                                                               => ( eqimpsubset2
                                                                                                                                                                 => ( eqimpsubset1
                                                                                                                                                                   => ( subsetI2
                                                                                                                                                                     => ( emptysetsubset
                                                                                                                                                                       => ( subsetE
                                                                                                                                                                         => ( subsetE2
                                                                                                                                                                           => ( notsubsetI
                                                                                                                                                                             => ( notequalI1
                                                                                                                                                                               => ( notequalI2
                                                                                                                                                                                 => ( subsetRefl
                                                                                                                                                                                   => ( subsetTrans
                                                                                                                                                                                     => ( setadjoinSub
                                                                                                                                                                                       => ( setadjoinSub2
                                                                                                                                                                                         => ( subset2powerset
                                                                                                                                                                                           => ( setextsub
                                                                                                                                                                                             => ( subsetemptysetimpeq
                                                                                                                                                                                               => ( powersetI1
                                                                                                                                                                                                 => ( powersetE1
                                                                                                                                                                                                   => ( inPowerset
                                                                                                                                                                                                     => ( powersetsubset
                                                                                                                                                                                                       => ( sepInPowerset
                                                                                                                                                                                                         => ( sepSubset
                                                                                                                                                                                                           => ( binunionIL
                                                                                                                                                                                                             => ( upairset2IR
                                                                                                                                                                                                               => ( binunionIR
                                                                                                                                                                                                                 => ( binunionEcases
                                                                                                                                                                                                                   => ( binunionE
                                                                                                                                                                                                                     => ( binunionLsub
                                                                                                                                                                                                                       => ( binunionRsub
                                                                                                                                                                                                                         => ( binintersectI
                                                                                                                                                                                                                           => ( binintersectSubset5
                                                                                                                                                                                                                             => ( binintersectEL
                                                                                                                                                                                                                               => ( binintersectLsub
                                                                                                                                                                                                                                 => ( binintersectSubset2
                                                                                                                                                                                                                                   => ( binintersectSubset3
                                                                                                                                                                                                                                     => ( binintersectER
                                                                                                                                                                                                                                       => ( disjointsetsI1
                                                                                                                                                                                                                                         => ( binintersectRsub
                                                                                                                                                                                                                                           => ( binintersectSubset4
                                                                                                                                                                                                                                             => ( binintersectSubset1
                                                                                                                                                                                                                                               => ( bs114d
                                                                                                                                                                                                                                                 => ( setminusI
                                                                                                                                                                                                                                                   => ( setminusEL
                                                                                                                                                                                                                                                     => ( setminusER
                                                                                                                                                                                                                                                       => ( setminusSubset2
                                                                                                                                                                                                                                                         => ( setminusERneg
                                                                                                                                                                                                                                                           => ( setminusELneg
                                                                                                                                                                                                                                                             => ( setminusILneg
                                                                                                                                                                                                                                                               => ( setminusIRneg
                                                                                                                                                                                                                                                                 => ( setminusLsub
                                                                                                                                                                                                                                                                   => ( setminusSubset1
                                                                                                                                                                                                                                                                     => ( symdiffE
                                                                                                                                                                                                                                                                       => ( symdiffI1
                                                                                                                                                                                                                                                                         => ( symdiffI2
                                                                                                                                                                                                                                                                           => ( symdiffIneg1
                                                                                                                                                                                                                                                                             => ( symdiffIneg2
                                                                                                                                                                                                                                                                               => ( secondinupair
                                                                                                                                                                                                                                                                                 => ( setukpairIL
                                                                                                                                                                                                                                                                                   => ( setukpairIR
                                                                                                                                                                                                                                                                                     => ( kpairiskpair
                                                                                                                                                                                                                                                                                       => ( kpairp
                                                                                                                                                                                                                                                                                         => ( singletonsubset
                                                                                                                                                                                                                                                                                           => ( singletoninpowerset
                                                                                                                                                                                                                                                                                             => ( singletoninpowunion
                                                                                                                                                                                                                                                                                               => ( upairset2E
                                                                                                                                                                                                                                                                                                 => ( upairsubunion
                                                                                                                                                                                                                                                                                                   => ( upairinpowunion
                                                                                                                                                                                                                                                                                                     => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                                       => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                                         => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                                           => ( cartprodpairin
                                                                                                                                                                                                                                                                                                             => ( cartprodmempair1
                                                                                                                                                                                                                                                                                                               => ( cartprodmempair
                                                                                                                                                                                                                                                                                                                 => ( setunionE2
                                                                                                                                                                                                                                                                                                                   => ( setunionsingleton1
                                                                                                                                                                                                                                                                                                                     => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                                       => ( setunionsingleton
                                                                                                                                                                                                                                                                                                                         => ( singletonprop
                                                                                                                                                                                                                                                                                                                           => ( ex1E1
                                                                                                                                                                                                                                                                                                                             => ( ex1I
                                                                                                                                                                                                                                                                                                                               => ( ex1I2
                                                                                                                                                                                                                                                                                                                                 => ( singletonsuniq
                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                                                     => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                                       => ( theprop
                                                                                                                                                                                                                                                                                                                                         => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                                           => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                                             => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                                               => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                                       => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                                         => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                                           => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                                             => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                                               => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                                                 => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                   => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                                     => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                                                       => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                                         => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                                           => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                                             => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                                                 => ( apProp
                                                                                                                                                                                                                                                                                                                                                                                                   => ( app
                                                                                                                                                                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y0 @ ( funcSet @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                   => ( func @ Y2 @ Y1 @ Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(fool_elimination,[],[f422]) ).

thf(f457,plain,
    ( singleton
    = ( ^ [X0: $i] :
        ? [X1: $i] :
          ( ( X0
            = ( setadjoin @ X1 @ emptyset ) )
          & ( in @ X1 @ X0 ) ) ) ),
    inference(rectify,[],[f156]) ).

thf(f458,plain,
    ( singleton
    = ( ^ [Y0: $i] :
          ( ?? @ $i
          @ ^ [Y1: $i] :
              ( ( in @ Y1 @ Y0 )
              & ( ( setadjoin @ Y1 @ emptyset )
                = Y0 ) ) ) ) ),
    inference(fool_elimination,[],[f457]) ).

thf(f473,plain,
    ( funcSet
    = ( ^ [X0: $i,X1: $i] :
          ( dsetconstr @ ( powerset @ ( cartprod @ X0 @ X1 ) )
          @ ^ [X2: $i] : ( func @ X0 @ X1 @ X2 ) ) ) ),
    inference(rectify,[],[f195]) ).

thf(f474,plain,
    ( funcSet
    = ( ^ [Y0: $i,Y1: $i] :
          ( dsetconstr @ ( powerset @ ( cartprod @ Y0 @ Y1 ) )
          @ ^ [Y2: $i] : ( func @ Y0 @ Y1 @ Y2 ) ) ) ),
    inference(fool_elimination,[],[f473]) ).

thf(f585,plain,
    ( breln
    = ( ^ [Y0: $i,Y1: $i,Y2: $i] : ( subset @ Y2 @ ( cartprod @ Y0 @ Y1 ) ) ) ),
    inference(fool_elimination,[],[f186]) ).

thf(f592,plain,
    ( singleton
    = ( ^ [Y0: $i] :
          ( ?? @ $i
          @ ^ [Y1: $i] :
              ( ( in @ Y1 @ Y0 )
              & ( ( setadjoin @ Y1 @ emptyset )
                = Y0 ) ) ) ) ),
    inference(cnf_transformation,[],[f458]) ).

thf(f602,plain,
    ( $true
    = ( ~ ( setextAx
         => ( emptysetAx
           => ( setadjoinAx
             => ( powersetAx
               => ( setunionAx
                 => ( omega0Ax
                   => ( omegaSAx
                     => ( omegaIndAx
                       => ( replAx
                         => ( foundationAx
                           => ( wellorderingAx
                             => ( descrp
                               => ( dsetconstrI
                                 => ( dsetconstrEL
                                   => ( dsetconstrER
                                     => ( exuE1
                                       => ( prop2setE
                                         => ( emptysetE
                                           => ( emptysetimpfalse
                                             => ( notinemptyset
                                               => ( exuE3e
                                                 => ( setext
                                                   => ( emptyI
                                                     => ( noeltsimpempty
                                                       => ( setbeta
                                                         => ( nonemptyE1
                                                           => ( nonemptyI
                                                             => ( nonemptyI1
                                                               => ( setadjoinIL
                                                                 => ( emptyinunitempty
                                                                   => ( setadjoinIR
                                                                     => ( setadjoinE
                                                                       => ( setadjoinOr
                                                                         => ( setoftrueEq
                                                                           => ( powersetI
                                                                             => ( emptyinPowerset
                                                                               => ( emptyInPowerset
                                                                                 => ( powersetE
                                                                                   => ( setunionI
                                                                                     => ( setunionE
                                                                                       => ( subPowSU
                                                                                         => ( exuE2
                                                                                           => ( nonemptyImpWitness
                                                                                             => ( uniqinunit
                                                                                               => ( notinsingleton
                                                                                                 => ( eqinunit
                                                                                                   => ( singletonsswitch
                                                                                                     => ( upairsetE
                                                                                                       => ( upairsetIL
                                                                                                         => ( upairsetIR
                                                                                                           => ( emptyE1
                                                                                                             => ( vacuousDall
                                                                                                               => ( quantDeMorgan1
                                                                                                                 => ( quantDeMorgan2
                                                                                                                   => ( quantDeMorgan3
                                                                                                                     => ( quantDeMorgan4
                                                                                                                       => ( prop2setI
                                                                                                                         => ( prop2set2propI
                                                                                                                           => ( notdexE
                                                                                                                             => ( notdallE
                                                                                                                               => ( exuI1
                                                                                                                                 => ( exuI3
                                                                                                                                   => ( exuI2
                                                                                                                                     => ( inCongP
                                                                                                                                       => ( in__Cong
                                                                                                                                         => ( exuE3u
                                                                                                                                           => ( exu__Cong
                                                                                                                                             => ( emptyset__Cong
                                                                                                                                               => ( setadjoin__Cong
                                                                                                                                                 => ( powerset__Cong
                                                                                                                                                   => ( setunion__Cong
                                                                                                                                                     => ( omega__Cong
                                                                                                                                                       => ( exuEu
                                                                                                                                                         => ( descr__Cong
                                                                                                                                                           => ( dsetconstr__Cong
                                                                                                                                                             => ( subsetI1
                                                                                                                                                               => ( eqimpsubset2
                                                                                                                                                                 => ( eqimpsubset1
                                                                                                                                                                   => ( subsetI2
                                                                                                                                                                     => ( emptysetsubset
                                                                                                                                                                       => ( subsetE
                                                                                                                                                                         => ( subsetE2
                                                                                                                                                                           => ( notsubsetI
                                                                                                                                                                             => ( notequalI1
                                                                                                                                                                               => ( notequalI2
                                                                                                                                                                                 => ( subsetRefl
                                                                                                                                                                                   => ( subsetTrans
                                                                                                                                                                                     => ( setadjoinSub
                                                                                                                                                                                       => ( setadjoinSub2
                                                                                                                                                                                         => ( subset2powerset
                                                                                                                                                                                           => ( setextsub
                                                                                                                                                                                             => ( subsetemptysetimpeq
                                                                                                                                                                                               => ( powersetI1
                                                                                                                                                                                                 => ( powersetE1
                                                                                                                                                                                                   => ( inPowerset
                                                                                                                                                                                                     => ( powersetsubset
                                                                                                                                                                                                       => ( sepInPowerset
                                                                                                                                                                                                         => ( sepSubset
                                                                                                                                                                                                           => ( binunionIL
                                                                                                                                                                                                             => ( upairset2IR
                                                                                                                                                                                                               => ( binunionIR
                                                                                                                                                                                                                 => ( binunionEcases
                                                                                                                                                                                                                   => ( binunionE
                                                                                                                                                                                                                     => ( binunionLsub
                                                                                                                                                                                                                       => ( binunionRsub
                                                                                                                                                                                                                         => ( binintersectI
                                                                                                                                                                                                                           => ( binintersectSubset5
                                                                                                                                                                                                                             => ( binintersectEL
                                                                                                                                                                                                                               => ( binintersectLsub
                                                                                                                                                                                                                                 => ( binintersectSubset2
                                                                                                                                                                                                                                   => ( binintersectSubset3
                                                                                                                                                                                                                                     => ( binintersectER
                                                                                                                                                                                                                                       => ( disjointsetsI1
                                                                                                                                                                                                                                         => ( binintersectRsub
                                                                                                                                                                                                                                           => ( binintersectSubset4
                                                                                                                                                                                                                                             => ( binintersectSubset1
                                                                                                                                                                                                                                               => ( bs114d
                                                                                                                                                                                                                                                 => ( setminusI
                                                                                                                                                                                                                                                   => ( setminusEL
                                                                                                                                                                                                                                                     => ( setminusER
                                                                                                                                                                                                                                                       => ( setminusSubset2
                                                                                                                                                                                                                                                         => ( setminusERneg
                                                                                                                                                                                                                                                           => ( setminusELneg
                                                                                                                                                                                                                                                             => ( setminusILneg
                                                                                                                                                                                                                                                               => ( setminusIRneg
                                                                                                                                                                                                                                                                 => ( setminusLsub
                                                                                                                                                                                                                                                                   => ( setminusSubset1
                                                                                                                                                                                                                                                                     => ( symdiffE
                                                                                                                                                                                                                                                                       => ( symdiffI1
                                                                                                                                                                                                                                                                         => ( symdiffI2
                                                                                                                                                                                                                                                                           => ( symdiffIneg1
                                                                                                                                                                                                                                                                             => ( symdiffIneg2
                                                                                                                                                                                                                                                                               => ( secondinupair
                                                                                                                                                                                                                                                                                 => ( setukpairIL
                                                                                                                                                                                                                                                                                   => ( setukpairIR
                                                                                                                                                                                                                                                                                     => ( kpairiskpair
                                                                                                                                                                                                                                                                                       => ( kpairp
                                                                                                                                                                                                                                                                                         => ( singletonsubset
                                                                                                                                                                                                                                                                                           => ( singletoninpowerset
                                                                                                                                                                                                                                                                                             => ( singletoninpowunion
                                                                                                                                                                                                                                                                                               => ( upairset2E
                                                                                                                                                                                                                                                                                                 => ( upairsubunion
                                                                                                                                                                                                                                                                                                   => ( upairinpowunion
                                                                                                                                                                                                                                                                                                     => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                                       => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                                         => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                                           => ( cartprodpairin
                                                                                                                                                                                                                                                                                                             => ( cartprodmempair1
                                                                                                                                                                                                                                                                                                               => ( cartprodmempair
                                                                                                                                                                                                                                                                                                                 => ( setunionE2
                                                                                                                                                                                                                                                                                                                   => ( setunionsingleton1
                                                                                                                                                                                                                                                                                                                     => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                                       => ( setunionsingleton
                                                                                                                                                                                                                                                                                                                         => ( singletonprop
                                                                                                                                                                                                                                                                                                                           => ( ex1E1
                                                                                                                                                                                                                                                                                                                             => ( ex1I
                                                                                                                                                                                                                                                                                                                               => ( ex1I2
                                                                                                                                                                                                                                                                                                                                 => ( singletonsuniq
                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                                                     => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                                       => ( theprop
                                                                                                                                                                                                                                                                                                                                         => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                                           => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                                             => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                                               => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                                       => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                                         => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                                           => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                                             => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                                               => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                                                 => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                   => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                                     => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                                                       => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                                         => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                                           => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                                             => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                                                 => ( apProp
                                                                                                                                                                                                                                                                                                                                                                                                   => ( app
                                                                                                                                                                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y0 @ ( funcSet @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                   => ( func @ Y2 @ Y1 @ Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(cnf_transformation,[],[f423]) ).

thf(f629,plain,
    ( ex1
    = ( ^ [Y0: $i,Y1: $i > $o] :
          ( singleton
          @ ( dsetconstr @ Y0
            @ ^ [Y2: $i] : ( Y1 @ Y2 ) ) ) ) ),
    inference(cnf_transformation,[],[f406]) ).

thf(f655,plain,
    ( funcSet
    = ( ^ [Y0: $i,Y1: $i] :
          ( dsetconstr @ ( powerset @ ( cartprod @ Y0 @ Y1 ) )
          @ ^ [Y2: $i] : ( func @ Y0 @ Y1 @ Y2 ) ) ) ),
    inference(cnf_transformation,[],[f474]) ).

thf(f681,plain,
    ( dsetconstrER
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ ( $i > $o )
          @ ^ [Y1: $i > $o] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y0
                    @ ( dsetconstr @ Y2
                      @ ^ [Y3: $i] : ( Y1 @ Y3 ) ) )
                 => ( Y1 @ Y0 ) ) ) ) ) ),
    inference(cnf_transformation,[],[f412]) ).

thf(f691,plain,
    ( func
    = ( ^ [Y0: $i,Y1: $i,Y2: $i] :
          ( ( !! @ $i
            @ ^ [Y3: $i] :
                ( ( in @ Y3 @ Y0 )
               => ( ex1 @ Y1
                  @ ^ [Y4: $i] : ( in @ ( kpair @ Y3 @ Y4 ) @ Y2 ) ) ) )
          & ( breln @ Y0 @ Y1 @ Y2 ) ) ) ),
    inference(cnf_transformation,[],[f229]) ).

thf(f739,plain,
    ( breln
    = ( ^ [Y0: $i,Y1: $i,Y2: $i] : ( subset @ Y2 @ ( cartprod @ Y0 @ Y1 ) ) ) ),
    inference(cnf_transformation,[],[f585]) ).

thf(f792,plain,
    ( ex1
    = ( ^ [Y0: $i,Y1: $i > $o] :
          ( ^ [Y2: $i] :
              ( ?? @ $i
              @ ^ [Y3: $i] :
                  ( ( in @ Y3 @ Y2 )
                  & ( ( setadjoin @ Y3 @ emptyset )
                    = Y2 ) ) )
          @ ( dsetconstr @ Y0
            @ ^ [Y2: $i] : ( Y1 @ Y2 ) ) ) ) ),
    inference(definition_unfolding,[],[f629,f592]) ).

thf(f793,plain,
    ( func
    = ( ^ [Y0: $i,Y1: $i,Y2: $i] :
          ( ( !! @ $i
            @ ^ [Y3: $i] :
                ( ( in @ Y3 @ Y0 )
               => ( ^ [Y4: $i,Y5: $i > $o] :
                      ( ^ [Y6: $i] :
                          ( ?? @ $i
                          @ ^ [Y7: $i] :
                              ( ( in @ Y7 @ Y6 )
                              & ( ( setadjoin @ Y7 @ emptyset )
                                = Y6 ) ) )
                      @ ( dsetconstr @ Y4
                        @ ^ [Y6: $i] : ( Y5 @ Y6 ) ) )
                  @ Y1
                  @ ^ [Y4: $i] : ( in @ ( kpair @ Y3 @ Y4 ) @ Y2 ) ) ) )
          & ( ^ [Y3: $i,Y4: $i,Y5: $i] : ( subset @ Y5 @ ( cartprod @ Y3 @ Y4 ) )
            @ Y0
            @ Y1
            @ Y2 ) ) ) ),
    inference(definition_unfolding,[],[f691,f792,f739]) ).

thf(f794,plain,
    ( funcSet
    = ( ^ [Y0: $i,Y1: $i] :
          ( dsetconstr @ ( powerset @ ( cartprod @ Y0 @ Y1 ) )
          @ ^ [Y2: $i] :
              ( ^ [Y3: $i,Y4: $i,Y5: $i] :
                  ( ( !! @ $i
                    @ ^ [Y6: $i] :
                        ( ( in @ Y6 @ Y3 )
                       => ( ^ [Y7: $i,Y8: $i > $o] :
                              ( ^ [Y9: $i] :
                                  ( ?? @ $i
                                  @ ^ [Y10: $i] :
                                      ( ( in @ Y10 @ Y9 )
                                      & ( ( setadjoin @ Y10 @ emptyset )
                                        = Y9 ) ) )
                              @ ( dsetconstr @ Y7
                                @ ^ [Y9: $i] : ( Y8 @ Y9 ) ) )
                          @ Y4
                          @ ^ [Y7: $i] : ( in @ ( kpair @ Y6 @ Y7 ) @ Y5 ) ) ) )
                  & ( ^ [Y6: $i,Y7: $i,Y8: $i] : ( subset @ Y8 @ ( cartprod @ Y6 @ Y7 ) )
                    @ Y3
                    @ Y4
                    @ Y5 ) )
              @ Y0
              @ Y1
              @ Y2 ) ) ) ),
    inference(definition_unfolding,[],[f655,f793]) ).

thf(f795,plain,
    ( $true
    = ( ~ ( setextAx
         => ( emptysetAx
           => ( setadjoinAx
             => ( powersetAx
               => ( setunionAx
                 => ( omega0Ax
                   => ( omegaSAx
                     => ( omegaIndAx
                       => ( replAx
                         => ( foundationAx
                           => ( wellorderingAx
                             => ( descrp
                               => ( dsetconstrI
                                 => ( dsetconstrEL
                                   => ( dsetconstrER
                                     => ( exuE1
                                       => ( prop2setE
                                         => ( emptysetE
                                           => ( emptysetimpfalse
                                             => ( notinemptyset
                                               => ( exuE3e
                                                 => ( setext
                                                   => ( emptyI
                                                     => ( noeltsimpempty
                                                       => ( setbeta
                                                         => ( nonemptyE1
                                                           => ( nonemptyI
                                                             => ( nonemptyI1
                                                               => ( setadjoinIL
                                                                 => ( emptyinunitempty
                                                                   => ( setadjoinIR
                                                                     => ( setadjoinE
                                                                       => ( setadjoinOr
                                                                         => ( setoftrueEq
                                                                           => ( powersetI
                                                                             => ( emptyinPowerset
                                                                               => ( emptyInPowerset
                                                                                 => ( powersetE
                                                                                   => ( setunionI
                                                                                     => ( setunionE
                                                                                       => ( subPowSU
                                                                                         => ( exuE2
                                                                                           => ( nonemptyImpWitness
                                                                                             => ( uniqinunit
                                                                                               => ( notinsingleton
                                                                                                 => ( eqinunit
                                                                                                   => ( singletonsswitch
                                                                                                     => ( upairsetE
                                                                                                       => ( upairsetIL
                                                                                                         => ( upairsetIR
                                                                                                           => ( emptyE1
                                                                                                             => ( vacuousDall
                                                                                                               => ( quantDeMorgan1
                                                                                                                 => ( quantDeMorgan2
                                                                                                                   => ( quantDeMorgan3
                                                                                                                     => ( quantDeMorgan4
                                                                                                                       => ( prop2setI
                                                                                                                         => ( prop2set2propI
                                                                                                                           => ( notdexE
                                                                                                                             => ( notdallE
                                                                                                                               => ( exuI1
                                                                                                                                 => ( exuI3
                                                                                                                                   => ( exuI2
                                                                                                                                     => ( inCongP
                                                                                                                                       => ( in__Cong
                                                                                                                                         => ( exuE3u
                                                                                                                                           => ( exu__Cong
                                                                                                                                             => ( emptyset__Cong
                                                                                                                                               => ( setadjoin__Cong
                                                                                                                                                 => ( powerset__Cong
                                                                                                                                                   => ( setunion__Cong
                                                                                                                                                     => ( omega__Cong
                                                                                                                                                       => ( exuEu
                                                                                                                                                         => ( descr__Cong
                                                                                                                                                           => ( dsetconstr__Cong
                                                                                                                                                             => ( subsetI1
                                                                                                                                                               => ( eqimpsubset2
                                                                                                                                                                 => ( eqimpsubset1
                                                                                                                                                                   => ( subsetI2
                                                                                                                                                                     => ( emptysetsubset
                                                                                                                                                                       => ( subsetE
                                                                                                                                                                         => ( subsetE2
                                                                                                                                                                           => ( notsubsetI
                                                                                                                                                                             => ( notequalI1
                                                                                                                                                                               => ( notequalI2
                                                                                                                                                                                 => ( subsetRefl
                                                                                                                                                                                   => ( subsetTrans
                                                                                                                                                                                     => ( setadjoinSub
                                                                                                                                                                                       => ( setadjoinSub2
                                                                                                                                                                                         => ( subset2powerset
                                                                                                                                                                                           => ( setextsub
                                                                                                                                                                                             => ( subsetemptysetimpeq
                                                                                                                                                                                               => ( powersetI1
                                                                                                                                                                                                 => ( powersetE1
                                                                                                                                                                                                   => ( inPowerset
                                                                                                                                                                                                     => ( powersetsubset
                                                                                                                                                                                                       => ( sepInPowerset
                                                                                                                                                                                                         => ( sepSubset
                                                                                                                                                                                                           => ( binunionIL
                                                                                                                                                                                                             => ( upairset2IR
                                                                                                                                                                                                               => ( binunionIR
                                                                                                                                                                                                                 => ( binunionEcases
                                                                                                                                                                                                                   => ( binunionE
                                                                                                                                                                                                                     => ( binunionLsub
                                                                                                                                                                                                                       => ( binunionRsub
                                                                                                                                                                                                                         => ( binintersectI
                                                                                                                                                                                                                           => ( binintersectSubset5
                                                                                                                                                                                                                             => ( binintersectEL
                                                                                                                                                                                                                               => ( binintersectLsub
                                                                                                                                                                                                                                 => ( binintersectSubset2
                                                                                                                                                                                                                                   => ( binintersectSubset3
                                                                                                                                                                                                                                     => ( binintersectER
                                                                                                                                                                                                                                       => ( disjointsetsI1
                                                                                                                                                                                                                                         => ( binintersectRsub
                                                                                                                                                                                                                                           => ( binintersectSubset4
                                                                                                                                                                                                                                             => ( binintersectSubset1
                                                                                                                                                                                                                                               => ( bs114d
                                                                                                                                                                                                                                                 => ( setminusI
                                                                                                                                                                                                                                                   => ( setminusEL
                                                                                                                                                                                                                                                     => ( setminusER
                                                                                                                                                                                                                                                       => ( setminusSubset2
                                                                                                                                                                                                                                                         => ( setminusERneg
                                                                                                                                                                                                                                                           => ( setminusELneg
                                                                                                                                                                                                                                                             => ( setminusILneg
                                                                                                                                                                                                                                                               => ( setminusIRneg
                                                                                                                                                                                                                                                                 => ( setminusLsub
                                                                                                                                                                                                                                                                   => ( setminusSubset1
                                                                                                                                                                                                                                                                     => ( symdiffE
                                                                                                                                                                                                                                                                       => ( symdiffI1
                                                                                                                                                                                                                                                                         => ( symdiffI2
                                                                                                                                                                                                                                                                           => ( symdiffIneg1
                                                                                                                                                                                                                                                                             => ( symdiffIneg2
                                                                                                                                                                                                                                                                               => ( secondinupair
                                                                                                                                                                                                                                                                                 => ( setukpairIL
                                                                                                                                                                                                                                                                                   => ( setukpairIR
                                                                                                                                                                                                                                                                                     => ( kpairiskpair
                                                                                                                                                                                                                                                                                       => ( kpairp
                                                                                                                                                                                                                                                                                         => ( singletonsubset
                                                                                                                                                                                                                                                                                           => ( singletoninpowerset
                                                                                                                                                                                                                                                                                             => ( singletoninpowunion
                                                                                                                                                                                                                                                                                               => ( upairset2E
                                                                                                                                                                                                                                                                                                 => ( upairsubunion
                                                                                                                                                                                                                                                                                                   => ( upairinpowunion
                                                                                                                                                                                                                                                                                                     => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                                       => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                                         => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                                           => ( cartprodpairin
                                                                                                                                                                                                                                                                                                             => ( cartprodmempair1
                                                                                                                                                                                                                                                                                                               => ( cartprodmempair
                                                                                                                                                                                                                                                                                                                 => ( setunionE2
                                                                                                                                                                                                                                                                                                                   => ( setunionsingleton1
                                                                                                                                                                                                                                                                                                                     => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                                       => ( setunionsingleton
                                                                                                                                                                                                                                                                                                                         => ( singletonprop
                                                                                                                                                                                                                                                                                                                           => ( ex1E1
                                                                                                                                                                                                                                                                                                                             => ( ex1I
                                                                                                                                                                                                                                                                                                                               => ( ex1I2
                                                                                                                                                                                                                                                                                                                                 => ( singletonsuniq
                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                                                     => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                                       => ( theprop
                                                                                                                                                                                                                                                                                                                                         => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                                           => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                                             => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                                               => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                                       => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                                         => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                                           => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                                             => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                                               => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                                                 => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                   => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                                     => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                                                       => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                                         => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                                           => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                                             => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                                                 => ( apProp
                                                                                                                                                                                                                                                                                                                                                                                                   => ( app
                                                                                                                                                                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                                                      @ ( ^ [Y3: $i,Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                            ( dsetconstr @ ( powerset @ ( cartprod @ Y3 @ Y4 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                                ( ^ [Y6: $i,Y7: $i,Y8: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                                    ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y9: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y9 @ Y6 )
                                                                                                                                                                                                                                                                                                                                                                                                                                         => ( ^ [Y10: $i,Y11: $i > $o] :
                                                                                                                                                                                                                                                                                                                                                                                                                                                ( ^ [Y12: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                                                    ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y13: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y13 @ Y12 )
                                                                                                                                                                                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y13 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                                                          = Y12 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y10
                                                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y12: $i] : ( Y11 @ Y12 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                                            @ Y7
                                                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y10: $i] : ( in @ ( kpair @ Y9 @ Y10 ) @ Y8 ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                                    & ( ^ [Y9: $i,Y10: $i,Y11: $i] : ( subset @ Y11 @ ( cartprod @ Y9 @ Y10 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                                      @ Y6
                                                                                                                                                                                                                                                                                                                                                                                                                                      @ Y7
                                                                                                                                                                                                                                                                                                                                                                                                                                      @ Y8 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                                @ Y3
                                                                                                                                                                                                                                                                                                                                                                                                                                @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                                                @ Y5 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                        @ Y2
                                                                                                                                                                                                                                                                                                                                                                                                                        @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                   => ( ^ [Y3: $i,Y4: $i,Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                          ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y6 @ Y3 )
                                                                                                                                                                                                                                                                                                                                                                                                                               => ( ^ [Y7: $i,Y8: $i > $o] :
                                                                                                                                                                                                                                                                                                                                                                                                                                      ( ^ [Y9: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                                          ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y10: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y10 @ Y9 )
                                                                                                                                                                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y10 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                                                = Y9 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y7
                                                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y9: $i] : ( Y8 @ Y9 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                                  @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y7: $i] : ( in @ ( kpair @ Y6 @ Y7 ) @ Y5 ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                          & ( ^ [Y6: $i,Y7: $i,Y8: $i] : ( subset @ Y8 @ ( cartprod @ Y6 @ Y7 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                            @ Y3
                                                                                                                                                                                                                                                                                                                                                                                                                            @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                                            @ Y5 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                      @ Y2
                                                                                                                                                                                                                                                                                                                                                                                                                      @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                      @ Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(definition_unfolding,[],[f602,f794,f793]) ).

thf(f846,plain,
    ( ( ~ ( setextAx
         => ( emptysetAx
           => ( setadjoinAx
             => ( powersetAx
               => ( setunionAx
                 => ( omega0Ax
                   => ( omegaSAx
                     => ( omegaIndAx
                       => ( replAx
                         => ( foundationAx
                           => ( wellorderingAx
                             => ( descrp
                               => ( dsetconstrI
                                 => ( dsetconstrEL
                                   => ( dsetconstrER
                                     => ( exuE1
                                       => ( prop2setE
                                         => ( emptysetE
                                           => ( emptysetimpfalse
                                             => ( notinemptyset
                                               => ( exuE3e
                                                 => ( setext
                                                   => ( emptyI
                                                     => ( noeltsimpempty
                                                       => ( setbeta
                                                         => ( nonemptyE1
                                                           => ( nonemptyI
                                                             => ( nonemptyI1
                                                               => ( setadjoinIL
                                                                 => ( emptyinunitempty
                                                                   => ( setadjoinIR
                                                                     => ( setadjoinE
                                                                       => ( setadjoinOr
                                                                         => ( setoftrueEq
                                                                           => ( powersetI
                                                                             => ( emptyinPowerset
                                                                               => ( emptyInPowerset
                                                                                 => ( powersetE
                                                                                   => ( setunionI
                                                                                     => ( setunionE
                                                                                       => ( subPowSU
                                                                                         => ( exuE2
                                                                                           => ( nonemptyImpWitness
                                                                                             => ( uniqinunit
                                                                                               => ( notinsingleton
                                                                                                 => ( eqinunit
                                                                                                   => ( singletonsswitch
                                                                                                     => ( upairsetE
                                                                                                       => ( upairsetIL
                                                                                                         => ( upairsetIR
                                                                                                           => ( emptyE1
                                                                                                             => ( vacuousDall
                                                                                                               => ( quantDeMorgan1
                                                                                                                 => ( quantDeMorgan2
                                                                                                                   => ( quantDeMorgan3
                                                                                                                     => ( quantDeMorgan4
                                                                                                                       => ( prop2setI
                                                                                                                         => ( prop2set2propI
                                                                                                                           => ( notdexE
                                                                                                                             => ( notdallE
                                                                                                                               => ( exuI1
                                                                                                                                 => ( exuI3
                                                                                                                                   => ( exuI2
                                                                                                                                     => ( inCongP
                                                                                                                                       => ( in__Cong
                                                                                                                                         => ( exuE3u
                                                                                                                                           => ( exu__Cong
                                                                                                                                             => ( emptyset__Cong
                                                                                                                                               => ( setadjoin__Cong
                                                                                                                                                 => ( powerset__Cong
                                                                                                                                                   => ( setunion__Cong
                                                                                                                                                     => ( omega__Cong
                                                                                                                                                       => ( exuEu
                                                                                                                                                         => ( descr__Cong
                                                                                                                                                           => ( dsetconstr__Cong
                                                                                                                                                             => ( subsetI1
                                                                                                                                                               => ( eqimpsubset2
                                                                                                                                                                 => ( eqimpsubset1
                                                                                                                                                                   => ( subsetI2
                                                                                                                                                                     => ( emptysetsubset
                                                                                                                                                                       => ( subsetE
                                                                                                                                                                         => ( subsetE2
                                                                                                                                                                           => ( notsubsetI
                                                                                                                                                                             => ( notequalI1
                                                                                                                                                                               => ( notequalI2
                                                                                                                                                                                 => ( subsetRefl
                                                                                                                                                                                   => ( subsetTrans
                                                                                                                                                                                     => ( setadjoinSub
                                                                                                                                                                                       => ( setadjoinSub2
                                                                                                                                                                                         => ( subset2powerset
                                                                                                                                                                                           => ( setextsub
                                                                                                                                                                                             => ( subsetemptysetimpeq
                                                                                                                                                                                               => ( powersetI1
                                                                                                                                                                                                 => ( powersetE1
                                                                                                                                                                                                   => ( inPowerset
                                                                                                                                                                                                     => ( powersetsubset
                                                                                                                                                                                                       => ( sepInPowerset
                                                                                                                                                                                                         => ( sepSubset
                                                                                                                                                                                                           => ( binunionIL
                                                                                                                                                                                                             => ( upairset2IR
                                                                                                                                                                                                               => ( binunionIR
                                                                                                                                                                                                                 => ( binunionEcases
                                                                                                                                                                                                                   => ( binunionE
                                                                                                                                                                                                                     => ( binunionLsub
                                                                                                                                                                                                                       => ( binunionRsub
                                                                                                                                                                                                                         => ( binintersectI
                                                                                                                                                                                                                           => ( binintersectSubset5
                                                                                                                                                                                                                             => ( binintersectEL
                                                                                                                                                                                                                               => ( binintersectLsub
                                                                                                                                                                                                                                 => ( binintersectSubset2
                                                                                                                                                                                                                                   => ( binintersectSubset3
                                                                                                                                                                                                                                     => ( binintersectER
                                                                                                                                                                                                                                       => ( disjointsetsI1
                                                                                                                                                                                                                                         => ( binintersectRsub
                                                                                                                                                                                                                                           => ( binintersectSubset4
                                                                                                                                                                                                                                             => ( binintersectSubset1
                                                                                                                                                                                                                                               => ( bs114d
                                                                                                                                                                                                                                                 => ( setminusI
                                                                                                                                                                                                                                                   => ( setminusEL
                                                                                                                                                                                                                                                     => ( setminusER
                                                                                                                                                                                                                                                       => ( setminusSubset2
                                                                                                                                                                                                                                                         => ( setminusERneg
                                                                                                                                                                                                                                                           => ( setminusELneg
                                                                                                                                                                                                                                                             => ( setminusILneg
                                                                                                                                                                                                                                                               => ( setminusIRneg
                                                                                                                                                                                                                                                                 => ( setminusLsub
                                                                                                                                                                                                                                                                   => ( setminusSubset1
                                                                                                                                                                                                                                                                     => ( symdiffE
                                                                                                                                                                                                                                                                       => ( symdiffI1
                                                                                                                                                                                                                                                                         => ( symdiffI2
                                                                                                                                                                                                                                                                           => ( symdiffIneg1
                                                                                                                                                                                                                                                                             => ( symdiffIneg2
                                                                                                                                                                                                                                                                               => ( secondinupair
                                                                                                                                                                                                                                                                                 => ( setukpairIL
                                                                                                                                                                                                                                                                                   => ( setukpairIR
                                                                                                                                                                                                                                                                                     => ( kpairiskpair
                                                                                                                                                                                                                                                                                       => ( kpairp
                                                                                                                                                                                                                                                                                         => ( singletonsubset
                                                                                                                                                                                                                                                                                           => ( singletoninpowerset
                                                                                                                                                                                                                                                                                             => ( singletoninpowunion
                                                                                                                                                                                                                                                                                               => ( upairset2E
                                                                                                                                                                                                                                                                                                 => ( upairsubunion
                                                                                                                                                                                                                                                                                                   => ( upairinpowunion
                                                                                                                                                                                                                                                                                                     => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                                       => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                                         => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                                           => ( cartprodpairin
                                                                                                                                                                                                                                                                                                             => ( cartprodmempair1
                                                                                                                                                                                                                                                                                                               => ( cartprodmempair
                                                                                                                                                                                                                                                                                                                 => ( setunionE2
                                                                                                                                                                                                                                                                                                                   => ( setunionsingleton1
                                                                                                                                                                                                                                                                                                                     => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                                       => ( setunionsingleton
                                                                                                                                                                                                                                                                                                                         => ( singletonprop
                                                                                                                                                                                                                                                                                                                           => ( ex1E1
                                                                                                                                                                                                                                                                                                                             => ( ex1I
                                                                                                                                                                                                                                                                                                                               => ( ex1I2
                                                                                                                                                                                                                                                                                                                                 => ( singletonsuniq
                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                                                     => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                                       => ( theprop
                                                                                                                                                                                                                                                                                                                                         => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                                           => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                                             => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                                               => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                                       => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                                         => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                                           => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                                             => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                                               => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                                                 => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                   => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                                     => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                                                       => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                                         => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                                           => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                                             => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                                                 => ( apProp
                                                                                                                                                                                                                                                                                                                                                                                                   => ( app
                                                                                                                                                                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                            ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                   => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $true ),
    inference(beta-eta_normalization,[],[f795]) ).

thf(f848,plain,
    ( dsetconstrER
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ ( $i > $o )
          @ ^ [Y1: $i > $o] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y0 @ ( dsetconstr @ Y2 @ Y1 ) )
                 => ( Y1 @ Y0 ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f681]) ).

thf(f1062,plain,
    ( $false
    = ( setextAx
     => ( emptysetAx
       => ( setadjoinAx
         => ( powersetAx
           => ( setunionAx
             => ( omega0Ax
               => ( omegaSAx
                 => ( omegaIndAx
                   => ( replAx
                     => ( foundationAx
                       => ( wellorderingAx
                         => ( descrp
                           => ( dsetconstrI
                             => ( dsetconstrEL
                               => ( dsetconstrER
                                 => ( exuE1
                                   => ( prop2setE
                                     => ( emptysetE
                                       => ( emptysetimpfalse
                                         => ( notinemptyset
                                           => ( exuE3e
                                             => ( setext
                                               => ( emptyI
                                                 => ( noeltsimpempty
                                                   => ( setbeta
                                                     => ( nonemptyE1
                                                       => ( nonemptyI
                                                         => ( nonemptyI1
                                                           => ( setadjoinIL
                                                             => ( emptyinunitempty
                                                               => ( setadjoinIR
                                                                 => ( setadjoinE
                                                                   => ( setadjoinOr
                                                                     => ( setoftrueEq
                                                                       => ( powersetI
                                                                         => ( emptyinPowerset
                                                                           => ( emptyInPowerset
                                                                             => ( powersetE
                                                                               => ( setunionI
                                                                                 => ( setunionE
                                                                                   => ( subPowSU
                                                                                     => ( exuE2
                                                                                       => ( nonemptyImpWitness
                                                                                         => ( uniqinunit
                                                                                           => ( notinsingleton
                                                                                             => ( eqinunit
                                                                                               => ( singletonsswitch
                                                                                                 => ( upairsetE
                                                                                                   => ( upairsetIL
                                                                                                     => ( upairsetIR
                                                                                                       => ( emptyE1
                                                                                                         => ( vacuousDall
                                                                                                           => ( quantDeMorgan1
                                                                                                             => ( quantDeMorgan2
                                                                                                               => ( quantDeMorgan3
                                                                                                                 => ( quantDeMorgan4
                                                                                                                   => ( prop2setI
                                                                                                                     => ( prop2set2propI
                                                                                                                       => ( notdexE
                                                                                                                         => ( notdallE
                                                                                                                           => ( exuI1
                                                                                                                             => ( exuI3
                                                                                                                               => ( exuI2
                                                                                                                                 => ( inCongP
                                                                                                                                   => ( in__Cong
                                                                                                                                     => ( exuE3u
                                                                                                                                       => ( exu__Cong
                                                                                                                                         => ( emptyset__Cong
                                                                                                                                           => ( setadjoin__Cong
                                                                                                                                             => ( powerset__Cong
                                                                                                                                               => ( setunion__Cong
                                                                                                                                                 => ( omega__Cong
                                                                                                                                                   => ( exuEu
                                                                                                                                                     => ( descr__Cong
                                                                                                                                                       => ( dsetconstr__Cong
                                                                                                                                                         => ( subsetI1
                                                                                                                                                           => ( eqimpsubset2
                                                                                                                                                             => ( eqimpsubset1
                                                                                                                                                               => ( subsetI2
                                                                                                                                                                 => ( emptysetsubset
                                                                                                                                                                   => ( subsetE
                                                                                                                                                                     => ( subsetE2
                                                                                                                                                                       => ( notsubsetI
                                                                                                                                                                         => ( notequalI1
                                                                                                                                                                           => ( notequalI2
                                                                                                                                                                             => ( subsetRefl
                                                                                                                                                                               => ( subsetTrans
                                                                                                                                                                                 => ( setadjoinSub
                                                                                                                                                                                   => ( setadjoinSub2
                                                                                                                                                                                     => ( subset2powerset
                                                                                                                                                                                       => ( setextsub
                                                                                                                                                                                         => ( subsetemptysetimpeq
                                                                                                                                                                                           => ( powersetI1
                                                                                                                                                                                             => ( powersetE1
                                                                                                                                                                                               => ( inPowerset
                                                                                                                                                                                                 => ( powersetsubset
                                                                                                                                                                                                   => ( sepInPowerset
                                                                                                                                                                                                     => ( sepSubset
                                                                                                                                                                                                       => ( binunionIL
                                                                                                                                                                                                         => ( upairset2IR
                                                                                                                                                                                                           => ( binunionIR
                                                                                                                                                                                                             => ( binunionEcases
                                                                                                                                                                                                               => ( binunionE
                                                                                                                                                                                                                 => ( binunionLsub
                                                                                                                                                                                                                   => ( binunionRsub
                                                                                                                                                                                                                     => ( binintersectI
                                                                                                                                                                                                                       => ( binintersectSubset5
                                                                                                                                                                                                                         => ( binintersectEL
                                                                                                                                                                                                                           => ( binintersectLsub
                                                                                                                                                                                                                             => ( binintersectSubset2
                                                                                                                                                                                                                               => ( binintersectSubset3
                                                                                                                                                                                                                                 => ( binintersectER
                                                                                                                                                                                                                                   => ( disjointsetsI1
                                                                                                                                                                                                                                     => ( binintersectRsub
                                                                                                                                                                                                                                       => ( binintersectSubset4
                                                                                                                                                                                                                                         => ( binintersectSubset1
                                                                                                                                                                                                                                           => ( bs114d
                                                                                                                                                                                                                                             => ( setminusI
                                                                                                                                                                                                                                               => ( setminusEL
                                                                                                                                                                                                                                                 => ( setminusER
                                                                                                                                                                                                                                                   => ( setminusSubset2
                                                                                                                                                                                                                                                     => ( setminusERneg
                                                                                                                                                                                                                                                       => ( setminusELneg
                                                                                                                                                                                                                                                         => ( setminusILneg
                                                                                                                                                                                                                                                           => ( setminusIRneg
                                                                                                                                                                                                                                                             => ( setminusLsub
                                                                                                                                                                                                                                                               => ( setminusSubset1
                                                                                                                                                                                                                                                                 => ( symdiffE
                                                                                                                                                                                                                                                                   => ( symdiffI1
                                                                                                                                                                                                                                                                     => ( symdiffI2
                                                                                                                                                                                                                                                                       => ( symdiffIneg1
                                                                                                                                                                                                                                                                         => ( symdiffIneg2
                                                                                                                                                                                                                                                                           => ( secondinupair
                                                                                                                                                                                                                                                                             => ( setukpairIL
                                                                                                                                                                                                                                                                               => ( setukpairIR
                                                                                                                                                                                                                                                                                 => ( kpairiskpair
                                                                                                                                                                                                                                                                                   => ( kpairp
                                                                                                                                                                                                                                                                                     => ( singletonsubset
                                                                                                                                                                                                                                                                                       => ( singletoninpowerset
                                                                                                                                                                                                                                                                                         => ( singletoninpowunion
                                                                                                                                                                                                                                                                                           => ( upairset2E
                                                                                                                                                                                                                                                                                             => ( upairsubunion
                                                                                                                                                                                                                                                                                               => ( upairinpowunion
                                                                                                                                                                                                                                                                                                 => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                                   => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                                     => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                                       => ( cartprodpairin
                                                                                                                                                                                                                                                                                                         => ( cartprodmempair1
                                                                                                                                                                                                                                                                                                           => ( cartprodmempair
                                                                                                                                                                                                                                                                                                             => ( setunionE2
                                                                                                                                                                                                                                                                                                               => ( setunionsingleton1
                                                                                                                                                                                                                                                                                                                 => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                                   => ( setunionsingleton
                                                                                                                                                                                                                                                                                                                     => ( singletonprop
                                                                                                                                                                                                                                                                                                                       => ( ex1E1
                                                                                                                                                                                                                                                                                                                         => ( ex1I
                                                                                                                                                                                                                                                                                                                           => ( ex1I2
                                                                                                                                                                                                                                                                                                                             => ( singletonsuniq
                                                                                                                                                                                                                                                                                                                               => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                                                 => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                                   => ( theprop
                                                                                                                                                                                                                                                                                                                                     => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                                       => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                                         => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                                           => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                                             => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                                               => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                                   => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                                       => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                                         => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                                           => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                                             => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                               => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                                 => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                                                   => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                                     => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                                       => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                                         => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                                           => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                                           => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                                             => ( apProp
                                                                                                                                                                                                                                                                                                                                                                                               => ( app
                                                                                                                                                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                        ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                               => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(not_proxy_clausification,[],[f846]) ).

thf(f1076,plain,
    ( ( dsetconstrER = $false )
    | ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ ( $i > $o )
            @ ^ [Y1: $i > $o] :
                ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y0 @ ( dsetconstr @ Y2 @ Y1 ) )
                   => ( Y1 @ Y0 ) ) ) ) ) ) ),
    inference(iff_proxy_clausification,[],[f848]) ).

thf(f2929,plain,
    ( $false
    = ( emptysetAx
     => ( setadjoinAx
       => ( powersetAx
         => ( setunionAx
           => ( omega0Ax
             => ( omegaSAx
               => ( omegaIndAx
                 => ( replAx
                   => ( foundationAx
                     => ( wellorderingAx
                       => ( descrp
                         => ( dsetconstrI
                           => ( dsetconstrEL
                             => ( dsetconstrER
                               => ( exuE1
                                 => ( prop2setE
                                   => ( emptysetE
                                     => ( emptysetimpfalse
                                       => ( notinemptyset
                                         => ( exuE3e
                                           => ( setext
                                             => ( emptyI
                                               => ( noeltsimpempty
                                                 => ( setbeta
                                                   => ( nonemptyE1
                                                     => ( nonemptyI
                                                       => ( nonemptyI1
                                                         => ( setadjoinIL
                                                           => ( emptyinunitempty
                                                             => ( setadjoinIR
                                                               => ( setadjoinE
                                                                 => ( setadjoinOr
                                                                   => ( setoftrueEq
                                                                     => ( powersetI
                                                                       => ( emptyinPowerset
                                                                         => ( emptyInPowerset
                                                                           => ( powersetE
                                                                             => ( setunionI
                                                                               => ( setunionE
                                                                                 => ( subPowSU
                                                                                   => ( exuE2
                                                                                     => ( nonemptyImpWitness
                                                                                       => ( uniqinunit
                                                                                         => ( notinsingleton
                                                                                           => ( eqinunit
                                                                                             => ( singletonsswitch
                                                                                               => ( upairsetE
                                                                                                 => ( upairsetIL
                                                                                                   => ( upairsetIR
                                                                                                     => ( emptyE1
                                                                                                       => ( vacuousDall
                                                                                                         => ( quantDeMorgan1
                                                                                                           => ( quantDeMorgan2
                                                                                                             => ( quantDeMorgan3
                                                                                                               => ( quantDeMorgan4
                                                                                                                 => ( prop2setI
                                                                                                                   => ( prop2set2propI
                                                                                                                     => ( notdexE
                                                                                                                       => ( notdallE
                                                                                                                         => ( exuI1
                                                                                                                           => ( exuI3
                                                                                                                             => ( exuI2
                                                                                                                               => ( inCongP
                                                                                                                                 => ( in__Cong
                                                                                                                                   => ( exuE3u
                                                                                                                                     => ( exu__Cong
                                                                                                                                       => ( emptyset__Cong
                                                                                                                                         => ( setadjoin__Cong
                                                                                                                                           => ( powerset__Cong
                                                                                                                                             => ( setunion__Cong
                                                                                                                                               => ( omega__Cong
                                                                                                                                                 => ( exuEu
                                                                                                                                                   => ( descr__Cong
                                                                                                                                                     => ( dsetconstr__Cong
                                                                                                                                                       => ( subsetI1
                                                                                                                                                         => ( eqimpsubset2
                                                                                                                                                           => ( eqimpsubset1
                                                                                                                                                             => ( subsetI2
                                                                                                                                                               => ( emptysetsubset
                                                                                                                                                                 => ( subsetE
                                                                                                                                                                   => ( subsetE2
                                                                                                                                                                     => ( notsubsetI
                                                                                                                                                                       => ( notequalI1
                                                                                                                                                                         => ( notequalI2
                                                                                                                                                                           => ( subsetRefl
                                                                                                                                                                             => ( subsetTrans
                                                                                                                                                                               => ( setadjoinSub
                                                                                                                                                                                 => ( setadjoinSub2
                                                                                                                                                                                   => ( subset2powerset
                                                                                                                                                                                     => ( setextsub
                                                                                                                                                                                       => ( subsetemptysetimpeq
                                                                                                                                                                                         => ( powersetI1
                                                                                                                                                                                           => ( powersetE1
                                                                                                                                                                                             => ( inPowerset
                                                                                                                                                                                               => ( powersetsubset
                                                                                                                                                                                                 => ( sepInPowerset
                                                                                                                                                                                                   => ( sepSubset
                                                                                                                                                                                                     => ( binunionIL
                                                                                                                                                                                                       => ( upairset2IR
                                                                                                                                                                                                         => ( binunionIR
                                                                                                                                                                                                           => ( binunionEcases
                                                                                                                                                                                                             => ( binunionE
                                                                                                                                                                                                               => ( binunionLsub
                                                                                                                                                                                                                 => ( binunionRsub
                                                                                                                                                                                                                   => ( binintersectI
                                                                                                                                                                                                                     => ( binintersectSubset5
                                                                                                                                                                                                                       => ( binintersectEL
                                                                                                                                                                                                                         => ( binintersectLsub
                                                                                                                                                                                                                           => ( binintersectSubset2
                                                                                                                                                                                                                             => ( binintersectSubset3
                                                                                                                                                                                                                               => ( binintersectER
                                                                                                                                                                                                                                 => ( disjointsetsI1
                                                                                                                                                                                                                                   => ( binintersectRsub
                                                                                                                                                                                                                                     => ( binintersectSubset4
                                                                                                                                                                                                                                       => ( binintersectSubset1
                                                                                                                                                                                                                                         => ( bs114d
                                                                                                                                                                                                                                           => ( setminusI
                                                                                                                                                                                                                                             => ( setminusEL
                                                                                                                                                                                                                                               => ( setminusER
                                                                                                                                                                                                                                                 => ( setminusSubset2
                                                                                                                                                                                                                                                   => ( setminusERneg
                                                                                                                                                                                                                                                     => ( setminusELneg
                                                                                                                                                                                                                                                       => ( setminusILneg
                                                                                                                                                                                                                                                         => ( setminusIRneg
                                                                                                                                                                                                                                                           => ( setminusLsub
                                                                                                                                                                                                                                                             => ( setminusSubset1
                                                                                                                                                                                                                                                               => ( symdiffE
                                                                                                                                                                                                                                                                 => ( symdiffI1
                                                                                                                                                                                                                                                                   => ( symdiffI2
                                                                                                                                                                                                                                                                     => ( symdiffIneg1
                                                                                                                                                                                                                                                                       => ( symdiffIneg2
                                                                                                                                                                                                                                                                         => ( secondinupair
                                                                                                                                                                                                                                                                           => ( setukpairIL
                                                                                                                                                                                                                                                                             => ( setukpairIR
                                                                                                                                                                                                                                                                               => ( kpairiskpair
                                                                                                                                                                                                                                                                                 => ( kpairp
                                                                                                                                                                                                                                                                                   => ( singletonsubset
                                                                                                                                                                                                                                                                                     => ( singletoninpowerset
                                                                                                                                                                                                                                                                                       => ( singletoninpowunion
                                                                                                                                                                                                                                                                                         => ( upairset2E
                                                                                                                                                                                                                                                                                           => ( upairsubunion
                                                                                                                                                                                                                                                                                             => ( upairinpowunion
                                                                                                                                                                                                                                                                                               => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                                 => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                                   => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                                     => ( cartprodpairin
                                                                                                                                                                                                                                                                                                       => ( cartprodmempair1
                                                                                                                                                                                                                                                                                                         => ( cartprodmempair
                                                                                                                                                                                                                                                                                                           => ( setunionE2
                                                                                                                                                                                                                                                                                                             => ( setunionsingleton1
                                                                                                                                                                                                                                                                                                               => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                                 => ( setunionsingleton
                                                                                                                                                                                                                                                                                                                   => ( singletonprop
                                                                                                                                                                                                                                                                                                                     => ( ex1E1
                                                                                                                                                                                                                                                                                                                       => ( ex1I
                                                                                                                                                                                                                                                                                                                         => ( ex1I2
                                                                                                                                                                                                                                                                                                                           => ( singletonsuniq
                                                                                                                                                                                                                                                                                                                             => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                                               => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                                 => ( theprop
                                                                                                                                                                                                                                                                                                                                   => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                                     => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                                       => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                                         => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                                           => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                                             => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                                               => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                                 => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                                       => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                                         => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                                           => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                             => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                               => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                                                 => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                                   => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                                     => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                                       => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                                         => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                                               => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                                         => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                                           => ( apProp
                                                                                                                                                                                                                                                                                                                                                                                             => ( app
                                                                                                                                                                                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                      ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                             => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f1062]) ).

thf(f3044,definition,
    ( spl0_398
  <=> ( dsetconstrER = $true ) ),
    introduced(definition,[new_symbols(definition,[spl0_398])],[avatar_definition]) ).

thf(f3046,plain,
    ( ( dsetconstrER = $true )
    | ~ spl0_398 ),
    inference(avatar_component_clause,[],[f3044]) ).

thf(f3049,definition,
    ( spl0_399
  <=> ( dsetconstrER = $false ) ),
    introduced(definition,[new_symbols(definition,[spl0_399])],[avatar_definition]) ).

thf(f3051,plain,
    ( ( dsetconstrER = $false )
    | ~ spl0_399 ),
    inference(avatar_component_clause,[],[f3049]) ).

thf(f3053,definition,
    ( spl0_400
  <=> ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ ( $i > $o )
            @ ^ [Y1: $i > $o] :
                ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y0 @ ( dsetconstr @ Y2 @ Y1 ) )
                   => ( Y1 @ Y0 ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[spl0_400])],[avatar_definition]) ).

thf(f3055,plain,
    ( ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ ( $i > $o )
            @ ^ [Y1: $i > $o] :
                ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y0 @ ( dsetconstr @ Y2 @ Y1 ) )
                   => ( Y1 @ Y0 ) ) ) ) ) )
    | ~ spl0_400 ),
    inference(avatar_component_clause,[],[f3053]) ).

thf(f3056,plain,
    ( spl0_399
    | spl0_400 ),
    inference(avatar_split_clause,[],[f1076,f3053,f3049]) ).

thf(f4594,plain,
    ( ( setadjoinAx
     => ( powersetAx
       => ( setunionAx
         => ( omega0Ax
           => ( omegaSAx
             => ( omegaIndAx
               => ( replAx
                 => ( foundationAx
                   => ( wellorderingAx
                     => ( descrp
                       => ( dsetconstrI
                         => ( dsetconstrEL
                           => ( dsetconstrER
                             => ( exuE1
                               => ( prop2setE
                                 => ( emptysetE
                                   => ( emptysetimpfalse
                                     => ( notinemptyset
                                       => ( exuE3e
                                         => ( setext
                                           => ( emptyI
                                             => ( noeltsimpempty
                                               => ( setbeta
                                                 => ( nonemptyE1
                                                   => ( nonemptyI
                                                     => ( nonemptyI1
                                                       => ( setadjoinIL
                                                         => ( emptyinunitempty
                                                           => ( setadjoinIR
                                                             => ( setadjoinE
                                                               => ( setadjoinOr
                                                                 => ( setoftrueEq
                                                                   => ( powersetI
                                                                     => ( emptyinPowerset
                                                                       => ( emptyInPowerset
                                                                         => ( powersetE
                                                                           => ( setunionI
                                                                             => ( setunionE
                                                                               => ( subPowSU
                                                                                 => ( exuE2
                                                                                   => ( nonemptyImpWitness
                                                                                     => ( uniqinunit
                                                                                       => ( notinsingleton
                                                                                         => ( eqinunit
                                                                                           => ( singletonsswitch
                                                                                             => ( upairsetE
                                                                                               => ( upairsetIL
                                                                                                 => ( upairsetIR
                                                                                                   => ( emptyE1
                                                                                                     => ( vacuousDall
                                                                                                       => ( quantDeMorgan1
                                                                                                         => ( quantDeMorgan2
                                                                                                           => ( quantDeMorgan3
                                                                                                             => ( quantDeMorgan4
                                                                                                               => ( prop2setI
                                                                                                                 => ( prop2set2propI
                                                                                                                   => ( notdexE
                                                                                                                     => ( notdallE
                                                                                                                       => ( exuI1
                                                                                                                         => ( exuI3
                                                                                                                           => ( exuI2
                                                                                                                             => ( inCongP
                                                                                                                               => ( in__Cong
                                                                                                                                 => ( exuE3u
                                                                                                                                   => ( exu__Cong
                                                                                                                                     => ( emptyset__Cong
                                                                                                                                       => ( setadjoin__Cong
                                                                                                                                         => ( powerset__Cong
                                                                                                                                           => ( setunion__Cong
                                                                                                                                             => ( omega__Cong
                                                                                                                                               => ( exuEu
                                                                                                                                                 => ( descr__Cong
                                                                                                                                                   => ( dsetconstr__Cong
                                                                                                                                                     => ( subsetI1
                                                                                                                                                       => ( eqimpsubset2
                                                                                                                                                         => ( eqimpsubset1
                                                                                                                                                           => ( subsetI2
                                                                                                                                                             => ( emptysetsubset
                                                                                                                                                               => ( subsetE
                                                                                                                                                                 => ( subsetE2
                                                                                                                                                                   => ( notsubsetI
                                                                                                                                                                     => ( notequalI1
                                                                                                                                                                       => ( notequalI2
                                                                                                                                                                         => ( subsetRefl
                                                                                                                                                                           => ( subsetTrans
                                                                                                                                                                             => ( setadjoinSub
                                                                                                                                                                               => ( setadjoinSub2
                                                                                                                                                                                 => ( subset2powerset
                                                                                                                                                                                   => ( setextsub
                                                                                                                                                                                     => ( subsetemptysetimpeq
                                                                                                                                                                                       => ( powersetI1
                                                                                                                                                                                         => ( powersetE1
                                                                                                                                                                                           => ( inPowerset
                                                                                                                                                                                             => ( powersetsubset
                                                                                                                                                                                               => ( sepInPowerset
                                                                                                                                                                                                 => ( sepSubset
                                                                                                                                                                                                   => ( binunionIL
                                                                                                                                                                                                     => ( upairset2IR
                                                                                                                                                                                                       => ( binunionIR
                                                                                                                                                                                                         => ( binunionEcases
                                                                                                                                                                                                           => ( binunionE
                                                                                                                                                                                                             => ( binunionLsub
                                                                                                                                                                                                               => ( binunionRsub
                                                                                                                                                                                                                 => ( binintersectI
                                                                                                                                                                                                                   => ( binintersectSubset5
                                                                                                                                                                                                                     => ( binintersectEL
                                                                                                                                                                                                                       => ( binintersectLsub
                                                                                                                                                                                                                         => ( binintersectSubset2
                                                                                                                                                                                                                           => ( binintersectSubset3
                                                                                                                                                                                                                             => ( binintersectER
                                                                                                                                                                                                                               => ( disjointsetsI1
                                                                                                                                                                                                                                 => ( binintersectRsub
                                                                                                                                                                                                                                   => ( binintersectSubset4
                                                                                                                                                                                                                                     => ( binintersectSubset1
                                                                                                                                                                                                                                       => ( bs114d
                                                                                                                                                                                                                                         => ( setminusI
                                                                                                                                                                                                                                           => ( setminusEL
                                                                                                                                                                                                                                             => ( setminusER
                                                                                                                                                                                                                                               => ( setminusSubset2
                                                                                                                                                                                                                                                 => ( setminusERneg
                                                                                                                                                                                                                                                   => ( setminusELneg
                                                                                                                                                                                                                                                     => ( setminusILneg
                                                                                                                                                                                                                                                       => ( setminusIRneg
                                                                                                                                                                                                                                                         => ( setminusLsub
                                                                                                                                                                                                                                                           => ( setminusSubset1
                                                                                                                                                                                                                                                             => ( symdiffE
                                                                                                                                                                                                                                                               => ( symdiffI1
                                                                                                                                                                                                                                                                 => ( symdiffI2
                                                                                                                                                                                                                                                                   => ( symdiffIneg1
                                                                                                                                                                                                                                                                     => ( symdiffIneg2
                                                                                                                                                                                                                                                                       => ( secondinupair
                                                                                                                                                                                                                                                                         => ( setukpairIL
                                                                                                                                                                                                                                                                           => ( setukpairIR
                                                                                                                                                                                                                                                                             => ( kpairiskpair
                                                                                                                                                                                                                                                                               => ( kpairp
                                                                                                                                                                                                                                                                                 => ( singletonsubset
                                                                                                                                                                                                                                                                                   => ( singletoninpowerset
                                                                                                                                                                                                                                                                                     => ( singletoninpowunion
                                                                                                                                                                                                                                                                                       => ( upairset2E
                                                                                                                                                                                                                                                                                         => ( upairsubunion
                                                                                                                                                                                                                                                                                           => ( upairinpowunion
                                                                                                                                                                                                                                                                                             => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                               => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                                 => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                                   => ( cartprodpairin
                                                                                                                                                                                                                                                                                                     => ( cartprodmempair1
                                                                                                                                                                                                                                                                                                       => ( cartprodmempair
                                                                                                                                                                                                                                                                                                         => ( setunionE2
                                                                                                                                                                                                                                                                                                           => ( setunionsingleton1
                                                                                                                                                                                                                                                                                                             => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                               => ( setunionsingleton
                                                                                                                                                                                                                                                                                                                 => ( singletonprop
                                                                                                                                                                                                                                                                                                                   => ( ex1E1
                                                                                                                                                                                                                                                                                                                     => ( ex1I
                                                                                                                                                                                                                                                                                                                       => ( ex1I2
                                                                                                                                                                                                                                                                                                                         => ( singletonsuniq
                                                                                                                                                                                                                                                                                                                           => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                                             => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                               => ( theprop
                                                                                                                                                                                                                                                                                                                                 => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                                   => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                                       => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                                         => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                                           => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                                             => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                               => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                                     => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                                       => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                                         => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                           => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                             => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                                               => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                                 => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                                   => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                                     => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                                       => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                                             => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                                       => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                                         => ( apProp
                                                                                                                                                                                                                                                                                                                                                                                           => ( app
                                                                                                                                                                                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                    ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                           => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f2929]) ).

thf(f4596,plain,
    ( $false
    = ( powersetAx
     => ( setunionAx
       => ( omega0Ax
         => ( omegaSAx
           => ( omegaIndAx
             => ( replAx
               => ( foundationAx
                 => ( wellorderingAx
                   => ( descrp
                     => ( dsetconstrI
                       => ( dsetconstrEL
                         => ( dsetconstrER
                           => ( exuE1
                             => ( prop2setE
                               => ( emptysetE
                                 => ( emptysetimpfalse
                                   => ( notinemptyset
                                     => ( exuE3e
                                       => ( setext
                                         => ( emptyI
                                           => ( noeltsimpempty
                                             => ( setbeta
                                               => ( nonemptyE1
                                                 => ( nonemptyI
                                                   => ( nonemptyI1
                                                     => ( setadjoinIL
                                                       => ( emptyinunitempty
                                                         => ( setadjoinIR
                                                           => ( setadjoinE
                                                             => ( setadjoinOr
                                                               => ( setoftrueEq
                                                                 => ( powersetI
                                                                   => ( emptyinPowerset
                                                                     => ( emptyInPowerset
                                                                       => ( powersetE
                                                                         => ( setunionI
                                                                           => ( setunionE
                                                                             => ( subPowSU
                                                                               => ( exuE2
                                                                                 => ( nonemptyImpWitness
                                                                                   => ( uniqinunit
                                                                                     => ( notinsingleton
                                                                                       => ( eqinunit
                                                                                         => ( singletonsswitch
                                                                                           => ( upairsetE
                                                                                             => ( upairsetIL
                                                                                               => ( upairsetIR
                                                                                                 => ( emptyE1
                                                                                                   => ( vacuousDall
                                                                                                     => ( quantDeMorgan1
                                                                                                       => ( quantDeMorgan2
                                                                                                         => ( quantDeMorgan3
                                                                                                           => ( quantDeMorgan4
                                                                                                             => ( prop2setI
                                                                                                               => ( prop2set2propI
                                                                                                                 => ( notdexE
                                                                                                                   => ( notdallE
                                                                                                                     => ( exuI1
                                                                                                                       => ( exuI3
                                                                                                                         => ( exuI2
                                                                                                                           => ( inCongP
                                                                                                                             => ( in__Cong
                                                                                                                               => ( exuE3u
                                                                                                                                 => ( exu__Cong
                                                                                                                                   => ( emptyset__Cong
                                                                                                                                     => ( setadjoin__Cong
                                                                                                                                       => ( powerset__Cong
                                                                                                                                         => ( setunion__Cong
                                                                                                                                           => ( omega__Cong
                                                                                                                                             => ( exuEu
                                                                                                                                               => ( descr__Cong
                                                                                                                                                 => ( dsetconstr__Cong
                                                                                                                                                   => ( subsetI1
                                                                                                                                                     => ( eqimpsubset2
                                                                                                                                                       => ( eqimpsubset1
                                                                                                                                                         => ( subsetI2
                                                                                                                                                           => ( emptysetsubset
                                                                                                                                                             => ( subsetE
                                                                                                                                                               => ( subsetE2
                                                                                                                                                                 => ( notsubsetI
                                                                                                                                                                   => ( notequalI1
                                                                                                                                                                     => ( notequalI2
                                                                                                                                                                       => ( subsetRefl
                                                                                                                                                                         => ( subsetTrans
                                                                                                                                                                           => ( setadjoinSub
                                                                                                                                                                             => ( setadjoinSub2
                                                                                                                                                                               => ( subset2powerset
                                                                                                                                                                                 => ( setextsub
                                                                                                                                                                                   => ( subsetemptysetimpeq
                                                                                                                                                                                     => ( powersetI1
                                                                                                                                                                                       => ( powersetE1
                                                                                                                                                                                         => ( inPowerset
                                                                                                                                                                                           => ( powersetsubset
                                                                                                                                                                                             => ( sepInPowerset
                                                                                                                                                                                               => ( sepSubset
                                                                                                                                                                                                 => ( binunionIL
                                                                                                                                                                                                   => ( upairset2IR
                                                                                                                                                                                                     => ( binunionIR
                                                                                                                                                                                                       => ( binunionEcases
                                                                                                                                                                                                         => ( binunionE
                                                                                                                                                                                                           => ( binunionLsub
                                                                                                                                                                                                             => ( binunionRsub
                                                                                                                                                                                                               => ( binintersectI
                                                                                                                                                                                                                 => ( binintersectSubset5
                                                                                                                                                                                                                   => ( binintersectEL
                                                                                                                                                                                                                     => ( binintersectLsub
                                                                                                                                                                                                                       => ( binintersectSubset2
                                                                                                                                                                                                                         => ( binintersectSubset3
                                                                                                                                                                                                                           => ( binintersectER
                                                                                                                                                                                                                             => ( disjointsetsI1
                                                                                                                                                                                                                               => ( binintersectRsub
                                                                                                                                                                                                                                 => ( binintersectSubset4
                                                                                                                                                                                                                                   => ( binintersectSubset1
                                                                                                                                                                                                                                     => ( bs114d
                                                                                                                                                                                                                                       => ( setminusI
                                                                                                                                                                                                                                         => ( setminusEL
                                                                                                                                                                                                                                           => ( setminusER
                                                                                                                                                                                                                                             => ( setminusSubset2
                                                                                                                                                                                                                                               => ( setminusERneg
                                                                                                                                                                                                                                                 => ( setminusELneg
                                                                                                                                                                                                                                                   => ( setminusILneg
                                                                                                                                                                                                                                                     => ( setminusIRneg
                                                                                                                                                                                                                                                       => ( setminusLsub
                                                                                                                                                                                                                                                         => ( setminusSubset1
                                                                                                                                                                                                                                                           => ( symdiffE
                                                                                                                                                                                                                                                             => ( symdiffI1
                                                                                                                                                                                                                                                               => ( symdiffI2
                                                                                                                                                                                                                                                                 => ( symdiffIneg1
                                                                                                                                                                                                                                                                   => ( symdiffIneg2
                                                                                                                                                                                                                                                                     => ( secondinupair
                                                                                                                                                                                                                                                                       => ( setukpairIL
                                                                                                                                                                                                                                                                         => ( setukpairIR
                                                                                                                                                                                                                                                                           => ( kpairiskpair
                                                                                                                                                                                                                                                                             => ( kpairp
                                                                                                                                                                                                                                                                               => ( singletonsubset
                                                                                                                                                                                                                                                                                 => ( singletoninpowerset
                                                                                                                                                                                                                                                                                   => ( singletoninpowunion
                                                                                                                                                                                                                                                                                     => ( upairset2E
                                                                                                                                                                                                                                                                                       => ( upairsubunion
                                                                                                                                                                                                                                                                                         => ( upairinpowunion
                                                                                                                                                                                                                                                                                           => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                             => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                               => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                                 => ( cartprodpairin
                                                                                                                                                                                                                                                                                                   => ( cartprodmempair1
                                                                                                                                                                                                                                                                                                     => ( cartprodmempair
                                                                                                                                                                                                                                                                                                       => ( setunionE2
                                                                                                                                                                                                                                                                                                         => ( setunionsingleton1
                                                                                                                                                                                                                                                                                                           => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                             => ( setunionsingleton
                                                                                                                                                                                                                                                                                                               => ( singletonprop
                                                                                                                                                                                                                                                                                                                 => ( ex1E1
                                                                                                                                                                                                                                                                                                                   => ( ex1I
                                                                                                                                                                                                                                                                                                                     => ( ex1I2
                                                                                                                                                                                                                                                                                                                       => ( singletonsuniq
                                                                                                                                                                                                                                                                                                                         => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                                           => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                             => ( theprop
                                                                                                                                                                                                                                                                                                                               => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                                 => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                                       => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                                         => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                                           => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                             => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                               => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                                   => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                                     => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                                       => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                         => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                           => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                                             => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                               => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                                 => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                                   => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                                     => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                                           => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                                     => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                                       => ( apProp
                                                                                                                                                                                                                                                                                                                                                                                         => ( app
                                                                                                                                                                                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                  ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                         => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4594]) ).

thf(f4600,plain,
    ( ( setunionAx
     => ( omega0Ax
       => ( omegaSAx
         => ( omegaIndAx
           => ( replAx
             => ( foundationAx
               => ( wellorderingAx
                 => ( descrp
                   => ( dsetconstrI
                     => ( dsetconstrEL
                       => ( dsetconstrER
                         => ( exuE1
                           => ( prop2setE
                             => ( emptysetE
                               => ( emptysetimpfalse
                                 => ( notinemptyset
                                   => ( exuE3e
                                     => ( setext
                                       => ( emptyI
                                         => ( noeltsimpempty
                                           => ( setbeta
                                             => ( nonemptyE1
                                               => ( nonemptyI
                                                 => ( nonemptyI1
                                                   => ( setadjoinIL
                                                     => ( emptyinunitempty
                                                       => ( setadjoinIR
                                                         => ( setadjoinE
                                                           => ( setadjoinOr
                                                             => ( setoftrueEq
                                                               => ( powersetI
                                                                 => ( emptyinPowerset
                                                                   => ( emptyInPowerset
                                                                     => ( powersetE
                                                                       => ( setunionI
                                                                         => ( setunionE
                                                                           => ( subPowSU
                                                                             => ( exuE2
                                                                               => ( nonemptyImpWitness
                                                                                 => ( uniqinunit
                                                                                   => ( notinsingleton
                                                                                     => ( eqinunit
                                                                                       => ( singletonsswitch
                                                                                         => ( upairsetE
                                                                                           => ( upairsetIL
                                                                                             => ( upairsetIR
                                                                                               => ( emptyE1
                                                                                                 => ( vacuousDall
                                                                                                   => ( quantDeMorgan1
                                                                                                     => ( quantDeMorgan2
                                                                                                       => ( quantDeMorgan3
                                                                                                         => ( quantDeMorgan4
                                                                                                           => ( prop2setI
                                                                                                             => ( prop2set2propI
                                                                                                               => ( notdexE
                                                                                                                 => ( notdallE
                                                                                                                   => ( exuI1
                                                                                                                     => ( exuI3
                                                                                                                       => ( exuI2
                                                                                                                         => ( inCongP
                                                                                                                           => ( in__Cong
                                                                                                                             => ( exuE3u
                                                                                                                               => ( exu__Cong
                                                                                                                                 => ( emptyset__Cong
                                                                                                                                   => ( setadjoin__Cong
                                                                                                                                     => ( powerset__Cong
                                                                                                                                       => ( setunion__Cong
                                                                                                                                         => ( omega__Cong
                                                                                                                                           => ( exuEu
                                                                                                                                             => ( descr__Cong
                                                                                                                                               => ( dsetconstr__Cong
                                                                                                                                                 => ( subsetI1
                                                                                                                                                   => ( eqimpsubset2
                                                                                                                                                     => ( eqimpsubset1
                                                                                                                                                       => ( subsetI2
                                                                                                                                                         => ( emptysetsubset
                                                                                                                                                           => ( subsetE
                                                                                                                                                             => ( subsetE2
                                                                                                                                                               => ( notsubsetI
                                                                                                                                                                 => ( notequalI1
                                                                                                                                                                   => ( notequalI2
                                                                                                                                                                     => ( subsetRefl
                                                                                                                                                                       => ( subsetTrans
                                                                                                                                                                         => ( setadjoinSub
                                                                                                                                                                           => ( setadjoinSub2
                                                                                                                                                                             => ( subset2powerset
                                                                                                                                                                               => ( setextsub
                                                                                                                                                                                 => ( subsetemptysetimpeq
                                                                                                                                                                                   => ( powersetI1
                                                                                                                                                                                     => ( powersetE1
                                                                                                                                                                                       => ( inPowerset
                                                                                                                                                                                         => ( powersetsubset
                                                                                                                                                                                           => ( sepInPowerset
                                                                                                                                                                                             => ( sepSubset
                                                                                                                                                                                               => ( binunionIL
                                                                                                                                                                                                 => ( upairset2IR
                                                                                                                                                                                                   => ( binunionIR
                                                                                                                                                                                                     => ( binunionEcases
                                                                                                                                                                                                       => ( binunionE
                                                                                                                                                                                                         => ( binunionLsub
                                                                                                                                                                                                           => ( binunionRsub
                                                                                                                                                                                                             => ( binintersectI
                                                                                                                                                                                                               => ( binintersectSubset5
                                                                                                                                                                                                                 => ( binintersectEL
                                                                                                                                                                                                                   => ( binintersectLsub
                                                                                                                                                                                                                     => ( binintersectSubset2
                                                                                                                                                                                                                       => ( binintersectSubset3
                                                                                                                                                                                                                         => ( binintersectER
                                                                                                                                                                                                                           => ( disjointsetsI1
                                                                                                                                                                                                                             => ( binintersectRsub
                                                                                                                                                                                                                               => ( binintersectSubset4
                                                                                                                                                                                                                                 => ( binintersectSubset1
                                                                                                                                                                                                                                   => ( bs114d
                                                                                                                                                                                                                                     => ( setminusI
                                                                                                                                                                                                                                       => ( setminusEL
                                                                                                                                                                                                                                         => ( setminusER
                                                                                                                                                                                                                                           => ( setminusSubset2
                                                                                                                                                                                                                                             => ( setminusERneg
                                                                                                                                                                                                                                               => ( setminusELneg
                                                                                                                                                                                                                                                 => ( setminusILneg
                                                                                                                                                                                                                                                   => ( setminusIRneg
                                                                                                                                                                                                                                                     => ( setminusLsub
                                                                                                                                                                                                                                                       => ( setminusSubset1
                                                                                                                                                                                                                                                         => ( symdiffE
                                                                                                                                                                                                                                                           => ( symdiffI1
                                                                                                                                                                                                                                                             => ( symdiffI2
                                                                                                                                                                                                                                                               => ( symdiffIneg1
                                                                                                                                                                                                                                                                 => ( symdiffIneg2
                                                                                                                                                                                                                                                                   => ( secondinupair
                                                                                                                                                                                                                                                                     => ( setukpairIL
                                                                                                                                                                                                                                                                       => ( setukpairIR
                                                                                                                                                                                                                                                                         => ( kpairiskpair
                                                                                                                                                                                                                                                                           => ( kpairp
                                                                                                                                                                                                                                                                             => ( singletonsubset
                                                                                                                                                                                                                                                                               => ( singletoninpowerset
                                                                                                                                                                                                                                                                                 => ( singletoninpowunion
                                                                                                                                                                                                                                                                                   => ( upairset2E
                                                                                                                                                                                                                                                                                     => ( upairsubunion
                                                                                                                                                                                                                                                                                       => ( upairinpowunion
                                                                                                                                                                                                                                                                                         => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                           => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                             => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                               => ( cartprodpairin
                                                                                                                                                                                                                                                                                                 => ( cartprodmempair1
                                                                                                                                                                                                                                                                                                   => ( cartprodmempair
                                                                                                                                                                                                                                                                                                     => ( setunionE2
                                                                                                                                                                                                                                                                                                       => ( setunionsingleton1
                                                                                                                                                                                                                                                                                                         => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                           => ( setunionsingleton
                                                                                                                                                                                                                                                                                                             => ( singletonprop
                                                                                                                                                                                                                                                                                                               => ( ex1E1
                                                                                                                                                                                                                                                                                                                 => ( ex1I
                                                                                                                                                                                                                                                                                                                   => ( ex1I2
                                                                                                                                                                                                                                                                                                                     => ( singletonsuniq
                                                                                                                                                                                                                                                                                                                       => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                                         => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                           => ( theprop
                                                                                                                                                                                                                                                                                                                             => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                               => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                                       => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                                         => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                           => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                             => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                               => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                                 => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                                   => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                                     => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                       => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                         => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                                           => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                             => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                               => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                                 => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                                   => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                                         => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                                   => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                                     => ( apProp
                                                                                                                                                                                                                                                                                                                                                                                       => ( app
                                                                                                                                                                                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                       => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4596]) ).

thf(f4603,plain,
    ( ( omega0Ax
     => ( omegaSAx
       => ( omegaIndAx
         => ( replAx
           => ( foundationAx
             => ( wellorderingAx
               => ( descrp
                 => ( dsetconstrI
                   => ( dsetconstrEL
                     => ( dsetconstrER
                       => ( exuE1
                         => ( prop2setE
                           => ( emptysetE
                             => ( emptysetimpfalse
                               => ( notinemptyset
                                 => ( exuE3e
                                   => ( setext
                                     => ( emptyI
                                       => ( noeltsimpempty
                                         => ( setbeta
                                           => ( nonemptyE1
                                             => ( nonemptyI
                                               => ( nonemptyI1
                                                 => ( setadjoinIL
                                                   => ( emptyinunitempty
                                                     => ( setadjoinIR
                                                       => ( setadjoinE
                                                         => ( setadjoinOr
                                                           => ( setoftrueEq
                                                             => ( powersetI
                                                               => ( emptyinPowerset
                                                                 => ( emptyInPowerset
                                                                   => ( powersetE
                                                                     => ( setunionI
                                                                       => ( setunionE
                                                                         => ( subPowSU
                                                                           => ( exuE2
                                                                             => ( nonemptyImpWitness
                                                                               => ( uniqinunit
                                                                                 => ( notinsingleton
                                                                                   => ( eqinunit
                                                                                     => ( singletonsswitch
                                                                                       => ( upairsetE
                                                                                         => ( upairsetIL
                                                                                           => ( upairsetIR
                                                                                             => ( emptyE1
                                                                                               => ( vacuousDall
                                                                                                 => ( quantDeMorgan1
                                                                                                   => ( quantDeMorgan2
                                                                                                     => ( quantDeMorgan3
                                                                                                       => ( quantDeMorgan4
                                                                                                         => ( prop2setI
                                                                                                           => ( prop2set2propI
                                                                                                             => ( notdexE
                                                                                                               => ( notdallE
                                                                                                                 => ( exuI1
                                                                                                                   => ( exuI3
                                                                                                                     => ( exuI2
                                                                                                                       => ( inCongP
                                                                                                                         => ( in__Cong
                                                                                                                           => ( exuE3u
                                                                                                                             => ( exu__Cong
                                                                                                                               => ( emptyset__Cong
                                                                                                                                 => ( setadjoin__Cong
                                                                                                                                   => ( powerset__Cong
                                                                                                                                     => ( setunion__Cong
                                                                                                                                       => ( omega__Cong
                                                                                                                                         => ( exuEu
                                                                                                                                           => ( descr__Cong
                                                                                                                                             => ( dsetconstr__Cong
                                                                                                                                               => ( subsetI1
                                                                                                                                                 => ( eqimpsubset2
                                                                                                                                                   => ( eqimpsubset1
                                                                                                                                                     => ( subsetI2
                                                                                                                                                       => ( emptysetsubset
                                                                                                                                                         => ( subsetE
                                                                                                                                                           => ( subsetE2
                                                                                                                                                             => ( notsubsetI
                                                                                                                                                               => ( notequalI1
                                                                                                                                                                 => ( notequalI2
                                                                                                                                                                   => ( subsetRefl
                                                                                                                                                                     => ( subsetTrans
                                                                                                                                                                       => ( setadjoinSub
                                                                                                                                                                         => ( setadjoinSub2
                                                                                                                                                                           => ( subset2powerset
                                                                                                                                                                             => ( setextsub
                                                                                                                                                                               => ( subsetemptysetimpeq
                                                                                                                                                                                 => ( powersetI1
                                                                                                                                                                                   => ( powersetE1
                                                                                                                                                                                     => ( inPowerset
                                                                                                                                                                                       => ( powersetsubset
                                                                                                                                                                                         => ( sepInPowerset
                                                                                                                                                                                           => ( sepSubset
                                                                                                                                                                                             => ( binunionIL
                                                                                                                                                                                               => ( upairset2IR
                                                                                                                                                                                                 => ( binunionIR
                                                                                                                                                                                                   => ( binunionEcases
                                                                                                                                                                                                     => ( binunionE
                                                                                                                                                                                                       => ( binunionLsub
                                                                                                                                                                                                         => ( binunionRsub
                                                                                                                                                                                                           => ( binintersectI
                                                                                                                                                                                                             => ( binintersectSubset5
                                                                                                                                                                                                               => ( binintersectEL
                                                                                                                                                                                                                 => ( binintersectLsub
                                                                                                                                                                                                                   => ( binintersectSubset2
                                                                                                                                                                                                                     => ( binintersectSubset3
                                                                                                                                                                                                                       => ( binintersectER
                                                                                                                                                                                                                         => ( disjointsetsI1
                                                                                                                                                                                                                           => ( binintersectRsub
                                                                                                                                                                                                                             => ( binintersectSubset4
                                                                                                                                                                                                                               => ( binintersectSubset1
                                                                                                                                                                                                                                 => ( bs114d
                                                                                                                                                                                                                                   => ( setminusI
                                                                                                                                                                                                                                     => ( setminusEL
                                                                                                                                                                                                                                       => ( setminusER
                                                                                                                                                                                                                                         => ( setminusSubset2
                                                                                                                                                                                                                                           => ( setminusERneg
                                                                                                                                                                                                                                             => ( setminusELneg
                                                                                                                                                                                                                                               => ( setminusILneg
                                                                                                                                                                                                                                                 => ( setminusIRneg
                                                                                                                                                                                                                                                   => ( setminusLsub
                                                                                                                                                                                                                                                     => ( setminusSubset1
                                                                                                                                                                                                                                                       => ( symdiffE
                                                                                                                                                                                                                                                         => ( symdiffI1
                                                                                                                                                                                                                                                           => ( symdiffI2
                                                                                                                                                                                                                                                             => ( symdiffIneg1
                                                                                                                                                                                                                                                               => ( symdiffIneg2
                                                                                                                                                                                                                                                                 => ( secondinupair
                                                                                                                                                                                                                                                                   => ( setukpairIL
                                                                                                                                                                                                                                                                     => ( setukpairIR
                                                                                                                                                                                                                                                                       => ( kpairiskpair
                                                                                                                                                                                                                                                                         => ( kpairp
                                                                                                                                                                                                                                                                           => ( singletonsubset
                                                                                                                                                                                                                                                                             => ( singletoninpowerset
                                                                                                                                                                                                                                                                               => ( singletoninpowunion
                                                                                                                                                                                                                                                                                 => ( upairset2E
                                                                                                                                                                                                                                                                                   => ( upairsubunion
                                                                                                                                                                                                                                                                                     => ( upairinpowunion
                                                                                                                                                                                                                                                                                       => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                         => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                           => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                             => ( cartprodpairin
                                                                                                                                                                                                                                                                                               => ( cartprodmempair1
                                                                                                                                                                                                                                                                                                 => ( cartprodmempair
                                                                                                                                                                                                                                                                                                   => ( setunionE2
                                                                                                                                                                                                                                                                                                     => ( setunionsingleton1
                                                                                                                                                                                                                                                                                                       => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                         => ( setunionsingleton
                                                                                                                                                                                                                                                                                                           => ( singletonprop
                                                                                                                                                                                                                                                                                                             => ( ex1E1
                                                                                                                                                                                                                                                                                                               => ( ex1I
                                                                                                                                                                                                                                                                                                                 => ( ex1I2
                                                                                                                                                                                                                                                                                                                   => ( singletonsuniq
                                                                                                                                                                                                                                                                                                                     => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                                       => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                         => ( theprop
                                                                                                                                                                                                                                                                                                                           => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                             => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                               => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                                       => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                         => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                           => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                             => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                               => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                                 => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                                   => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                     => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                       => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                                         => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                           => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                             => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                               => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                                 => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                                       => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                                 => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                                   => ( apProp
                                                                                                                                                                                                                                                                                                                                                                                     => ( app
                                                                                                                                                                                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                              ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                     => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4600]) ).

thf(f4606,plain,
    ( ( omegaSAx
     => ( omegaIndAx
       => ( replAx
         => ( foundationAx
           => ( wellorderingAx
             => ( descrp
               => ( dsetconstrI
                 => ( dsetconstrEL
                   => ( dsetconstrER
                     => ( exuE1
                       => ( prop2setE
                         => ( emptysetE
                           => ( emptysetimpfalse
                             => ( notinemptyset
                               => ( exuE3e
                                 => ( setext
                                   => ( emptyI
                                     => ( noeltsimpempty
                                       => ( setbeta
                                         => ( nonemptyE1
                                           => ( nonemptyI
                                             => ( nonemptyI1
                                               => ( setadjoinIL
                                                 => ( emptyinunitempty
                                                   => ( setadjoinIR
                                                     => ( setadjoinE
                                                       => ( setadjoinOr
                                                         => ( setoftrueEq
                                                           => ( powersetI
                                                             => ( emptyinPowerset
                                                               => ( emptyInPowerset
                                                                 => ( powersetE
                                                                   => ( setunionI
                                                                     => ( setunionE
                                                                       => ( subPowSU
                                                                         => ( exuE2
                                                                           => ( nonemptyImpWitness
                                                                             => ( uniqinunit
                                                                               => ( notinsingleton
                                                                                 => ( eqinunit
                                                                                   => ( singletonsswitch
                                                                                     => ( upairsetE
                                                                                       => ( upairsetIL
                                                                                         => ( upairsetIR
                                                                                           => ( emptyE1
                                                                                             => ( vacuousDall
                                                                                               => ( quantDeMorgan1
                                                                                                 => ( quantDeMorgan2
                                                                                                   => ( quantDeMorgan3
                                                                                                     => ( quantDeMorgan4
                                                                                                       => ( prop2setI
                                                                                                         => ( prop2set2propI
                                                                                                           => ( notdexE
                                                                                                             => ( notdallE
                                                                                                               => ( exuI1
                                                                                                                 => ( exuI3
                                                                                                                   => ( exuI2
                                                                                                                     => ( inCongP
                                                                                                                       => ( in__Cong
                                                                                                                         => ( exuE3u
                                                                                                                           => ( exu__Cong
                                                                                                                             => ( emptyset__Cong
                                                                                                                               => ( setadjoin__Cong
                                                                                                                                 => ( powerset__Cong
                                                                                                                                   => ( setunion__Cong
                                                                                                                                     => ( omega__Cong
                                                                                                                                       => ( exuEu
                                                                                                                                         => ( descr__Cong
                                                                                                                                           => ( dsetconstr__Cong
                                                                                                                                             => ( subsetI1
                                                                                                                                               => ( eqimpsubset2
                                                                                                                                                 => ( eqimpsubset1
                                                                                                                                                   => ( subsetI2
                                                                                                                                                     => ( emptysetsubset
                                                                                                                                                       => ( subsetE
                                                                                                                                                         => ( subsetE2
                                                                                                                                                           => ( notsubsetI
                                                                                                                                                             => ( notequalI1
                                                                                                                                                               => ( notequalI2
                                                                                                                                                                 => ( subsetRefl
                                                                                                                                                                   => ( subsetTrans
                                                                                                                                                                     => ( setadjoinSub
                                                                                                                                                                       => ( setadjoinSub2
                                                                                                                                                                         => ( subset2powerset
                                                                                                                                                                           => ( setextsub
                                                                                                                                                                             => ( subsetemptysetimpeq
                                                                                                                                                                               => ( powersetI1
                                                                                                                                                                                 => ( powersetE1
                                                                                                                                                                                   => ( inPowerset
                                                                                                                                                                                     => ( powersetsubset
                                                                                                                                                                                       => ( sepInPowerset
                                                                                                                                                                                         => ( sepSubset
                                                                                                                                                                                           => ( binunionIL
                                                                                                                                                                                             => ( upairset2IR
                                                                                                                                                                                               => ( binunionIR
                                                                                                                                                                                                 => ( binunionEcases
                                                                                                                                                                                                   => ( binunionE
                                                                                                                                                                                                     => ( binunionLsub
                                                                                                                                                                                                       => ( binunionRsub
                                                                                                                                                                                                         => ( binintersectI
                                                                                                                                                                                                           => ( binintersectSubset5
                                                                                                                                                                                                             => ( binintersectEL
                                                                                                                                                                                                               => ( binintersectLsub
                                                                                                                                                                                                                 => ( binintersectSubset2
                                                                                                                                                                                                                   => ( binintersectSubset3
                                                                                                                                                                                                                     => ( binintersectER
                                                                                                                                                                                                                       => ( disjointsetsI1
                                                                                                                                                                                                                         => ( binintersectRsub
                                                                                                                                                                                                                           => ( binintersectSubset4
                                                                                                                                                                                                                             => ( binintersectSubset1
                                                                                                                                                                                                                               => ( bs114d
                                                                                                                                                                                                                                 => ( setminusI
                                                                                                                                                                                                                                   => ( setminusEL
                                                                                                                                                                                                                                     => ( setminusER
                                                                                                                                                                                                                                       => ( setminusSubset2
                                                                                                                                                                                                                                         => ( setminusERneg
                                                                                                                                                                                                                                           => ( setminusELneg
                                                                                                                                                                                                                                             => ( setminusILneg
                                                                                                                                                                                                                                               => ( setminusIRneg
                                                                                                                                                                                                                                                 => ( setminusLsub
                                                                                                                                                                                                                                                   => ( setminusSubset1
                                                                                                                                                                                                                                                     => ( symdiffE
                                                                                                                                                                                                                                                       => ( symdiffI1
                                                                                                                                                                                                                                                         => ( symdiffI2
                                                                                                                                                                                                                                                           => ( symdiffIneg1
                                                                                                                                                                                                                                                             => ( symdiffIneg2
                                                                                                                                                                                                                                                               => ( secondinupair
                                                                                                                                                                                                                                                                 => ( setukpairIL
                                                                                                                                                                                                                                                                   => ( setukpairIR
                                                                                                                                                                                                                                                                     => ( kpairiskpair
                                                                                                                                                                                                                                                                       => ( kpairp
                                                                                                                                                                                                                                                                         => ( singletonsubset
                                                                                                                                                                                                                                                                           => ( singletoninpowerset
                                                                                                                                                                                                                                                                             => ( singletoninpowunion
                                                                                                                                                                                                                                                                               => ( upairset2E
                                                                                                                                                                                                                                                                                 => ( upairsubunion
                                                                                                                                                                                                                                                                                   => ( upairinpowunion
                                                                                                                                                                                                                                                                                     => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                       => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                         => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                           => ( cartprodpairin
                                                                                                                                                                                                                                                                                             => ( cartprodmempair1
                                                                                                                                                                                                                                                                                               => ( cartprodmempair
                                                                                                                                                                                                                                                                                                 => ( setunionE2
                                                                                                                                                                                                                                                                                                   => ( setunionsingleton1
                                                                                                                                                                                                                                                                                                     => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                       => ( setunionsingleton
                                                                                                                                                                                                                                                                                                         => ( singletonprop
                                                                                                                                                                                                                                                                                                           => ( ex1E1
                                                                                                                                                                                                                                                                                                             => ( ex1I
                                                                                                                                                                                                                                                                                                               => ( ex1I2
                                                                                                                                                                                                                                                                                                                 => ( singletonsuniq
                                                                                                                                                                                                                                                                                                                   => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                                     => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                       => ( theprop
                                                                                                                                                                                                                                                                                                                         => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                           => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                             => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                               => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                       => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                         => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                           => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                             => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                               => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                                 => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                   => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                     => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                                       => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                         => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                           => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                             => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                                 => ( apProp
                                                                                                                                                                                                                                                                                                                                                                                   => ( app
                                                                                                                                                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                   => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4603]) ).

thf(f4608,plain,
    ( $false
    = ( omegaIndAx
     => ( replAx
       => ( foundationAx
         => ( wellorderingAx
           => ( descrp
             => ( dsetconstrI
               => ( dsetconstrEL
                 => ( dsetconstrER
                   => ( exuE1
                     => ( prop2setE
                       => ( emptysetE
                         => ( emptysetimpfalse
                           => ( notinemptyset
                             => ( exuE3e
                               => ( setext
                                 => ( emptyI
                                   => ( noeltsimpempty
                                     => ( setbeta
                                       => ( nonemptyE1
                                         => ( nonemptyI
                                           => ( nonemptyI1
                                             => ( setadjoinIL
                                               => ( emptyinunitempty
                                                 => ( setadjoinIR
                                                   => ( setadjoinE
                                                     => ( setadjoinOr
                                                       => ( setoftrueEq
                                                         => ( powersetI
                                                           => ( emptyinPowerset
                                                             => ( emptyInPowerset
                                                               => ( powersetE
                                                                 => ( setunionI
                                                                   => ( setunionE
                                                                     => ( subPowSU
                                                                       => ( exuE2
                                                                         => ( nonemptyImpWitness
                                                                           => ( uniqinunit
                                                                             => ( notinsingleton
                                                                               => ( eqinunit
                                                                                 => ( singletonsswitch
                                                                                   => ( upairsetE
                                                                                     => ( upairsetIL
                                                                                       => ( upairsetIR
                                                                                         => ( emptyE1
                                                                                           => ( vacuousDall
                                                                                             => ( quantDeMorgan1
                                                                                               => ( quantDeMorgan2
                                                                                                 => ( quantDeMorgan3
                                                                                                   => ( quantDeMorgan4
                                                                                                     => ( prop2setI
                                                                                                       => ( prop2set2propI
                                                                                                         => ( notdexE
                                                                                                           => ( notdallE
                                                                                                             => ( exuI1
                                                                                                               => ( exuI3
                                                                                                                 => ( exuI2
                                                                                                                   => ( inCongP
                                                                                                                     => ( in__Cong
                                                                                                                       => ( exuE3u
                                                                                                                         => ( exu__Cong
                                                                                                                           => ( emptyset__Cong
                                                                                                                             => ( setadjoin__Cong
                                                                                                                               => ( powerset__Cong
                                                                                                                                 => ( setunion__Cong
                                                                                                                                   => ( omega__Cong
                                                                                                                                     => ( exuEu
                                                                                                                                       => ( descr__Cong
                                                                                                                                         => ( dsetconstr__Cong
                                                                                                                                           => ( subsetI1
                                                                                                                                             => ( eqimpsubset2
                                                                                                                                               => ( eqimpsubset1
                                                                                                                                                 => ( subsetI2
                                                                                                                                                   => ( emptysetsubset
                                                                                                                                                     => ( subsetE
                                                                                                                                                       => ( subsetE2
                                                                                                                                                         => ( notsubsetI
                                                                                                                                                           => ( notequalI1
                                                                                                                                                             => ( notequalI2
                                                                                                                                                               => ( subsetRefl
                                                                                                                                                                 => ( subsetTrans
                                                                                                                                                                   => ( setadjoinSub
                                                                                                                                                                     => ( setadjoinSub2
                                                                                                                                                                       => ( subset2powerset
                                                                                                                                                                         => ( setextsub
                                                                                                                                                                           => ( subsetemptysetimpeq
                                                                                                                                                                             => ( powersetI1
                                                                                                                                                                               => ( powersetE1
                                                                                                                                                                                 => ( inPowerset
                                                                                                                                                                                   => ( powersetsubset
                                                                                                                                                                                     => ( sepInPowerset
                                                                                                                                                                                       => ( sepSubset
                                                                                                                                                                                         => ( binunionIL
                                                                                                                                                                                           => ( upairset2IR
                                                                                                                                                                                             => ( binunionIR
                                                                                                                                                                                               => ( binunionEcases
                                                                                                                                                                                                 => ( binunionE
                                                                                                                                                                                                   => ( binunionLsub
                                                                                                                                                                                                     => ( binunionRsub
                                                                                                                                                                                                       => ( binintersectI
                                                                                                                                                                                                         => ( binintersectSubset5
                                                                                                                                                                                                           => ( binintersectEL
                                                                                                                                                                                                             => ( binintersectLsub
                                                                                                                                                                                                               => ( binintersectSubset2
                                                                                                                                                                                                                 => ( binintersectSubset3
                                                                                                                                                                                                                   => ( binintersectER
                                                                                                                                                                                                                     => ( disjointsetsI1
                                                                                                                                                                                                                       => ( binintersectRsub
                                                                                                                                                                                                                         => ( binintersectSubset4
                                                                                                                                                                                                                           => ( binintersectSubset1
                                                                                                                                                                                                                             => ( bs114d
                                                                                                                                                                                                                               => ( setminusI
                                                                                                                                                                                                                                 => ( setminusEL
                                                                                                                                                                                                                                   => ( setminusER
                                                                                                                                                                                                                                     => ( setminusSubset2
                                                                                                                                                                                                                                       => ( setminusERneg
                                                                                                                                                                                                                                         => ( setminusELneg
                                                                                                                                                                                                                                           => ( setminusILneg
                                                                                                                                                                                                                                             => ( setminusIRneg
                                                                                                                                                                                                                                               => ( setminusLsub
                                                                                                                                                                                                                                                 => ( setminusSubset1
                                                                                                                                                                                                                                                   => ( symdiffE
                                                                                                                                                                                                                                                     => ( symdiffI1
                                                                                                                                                                                                                                                       => ( symdiffI2
                                                                                                                                                                                                                                                         => ( symdiffIneg1
                                                                                                                                                                                                                                                           => ( symdiffIneg2
                                                                                                                                                                                                                                                             => ( secondinupair
                                                                                                                                                                                                                                                               => ( setukpairIL
                                                                                                                                                                                                                                                                 => ( setukpairIR
                                                                                                                                                                                                                                                                   => ( kpairiskpair
                                                                                                                                                                                                                                                                     => ( kpairp
                                                                                                                                                                                                                                                                       => ( singletonsubset
                                                                                                                                                                                                                                                                         => ( singletoninpowerset
                                                                                                                                                                                                                                                                           => ( singletoninpowunion
                                                                                                                                                                                                                                                                             => ( upairset2E
                                                                                                                                                                                                                                                                               => ( upairsubunion
                                                                                                                                                                                                                                                                                 => ( upairinpowunion
                                                                                                                                                                                                                                                                                   => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                     => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                       => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                         => ( cartprodpairin
                                                                                                                                                                                                                                                                                           => ( cartprodmempair1
                                                                                                                                                                                                                                                                                             => ( cartprodmempair
                                                                                                                                                                                                                                                                                               => ( setunionE2
                                                                                                                                                                                                                                                                                                 => ( setunionsingleton1
                                                                                                                                                                                                                                                                                                   => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                     => ( setunionsingleton
                                                                                                                                                                                                                                                                                                       => ( singletonprop
                                                                                                                                                                                                                                                                                                         => ( ex1E1
                                                                                                                                                                                                                                                                                                           => ( ex1I
                                                                                                                                                                                                                                                                                                             => ( ex1I2
                                                                                                                                                                                                                                                                                                               => ( singletonsuniq
                                                                                                                                                                                                                                                                                                                 => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                                   => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                     => ( theprop
                                                                                                                                                                                                                                                                                                                       => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                         => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                           => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                             => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                               => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                     => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                       => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                         => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                           => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                             => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                               => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                 => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                   => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                                     => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                       => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                         => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                           => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                             => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                                   => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                             => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                               => ( apProp
                                                                                                                                                                                                                                                                                                                                                                                 => ( app
                                                                                                                                                                                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                          ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                 => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4606]) ).

thf(f4612,plain,
    ( $false
    = ( replAx
     => ( foundationAx
       => ( wellorderingAx
         => ( descrp
           => ( dsetconstrI
             => ( dsetconstrEL
               => ( dsetconstrER
                 => ( exuE1
                   => ( prop2setE
                     => ( emptysetE
                       => ( emptysetimpfalse
                         => ( notinemptyset
                           => ( exuE3e
                             => ( setext
                               => ( emptyI
                                 => ( noeltsimpempty
                                   => ( setbeta
                                     => ( nonemptyE1
                                       => ( nonemptyI
                                         => ( nonemptyI1
                                           => ( setadjoinIL
                                             => ( emptyinunitempty
                                               => ( setadjoinIR
                                                 => ( setadjoinE
                                                   => ( setadjoinOr
                                                     => ( setoftrueEq
                                                       => ( powersetI
                                                         => ( emptyinPowerset
                                                           => ( emptyInPowerset
                                                             => ( powersetE
                                                               => ( setunionI
                                                                 => ( setunionE
                                                                   => ( subPowSU
                                                                     => ( exuE2
                                                                       => ( nonemptyImpWitness
                                                                         => ( uniqinunit
                                                                           => ( notinsingleton
                                                                             => ( eqinunit
                                                                               => ( singletonsswitch
                                                                                 => ( upairsetE
                                                                                   => ( upairsetIL
                                                                                     => ( upairsetIR
                                                                                       => ( emptyE1
                                                                                         => ( vacuousDall
                                                                                           => ( quantDeMorgan1
                                                                                             => ( quantDeMorgan2
                                                                                               => ( quantDeMorgan3
                                                                                                 => ( quantDeMorgan4
                                                                                                   => ( prop2setI
                                                                                                     => ( prop2set2propI
                                                                                                       => ( notdexE
                                                                                                         => ( notdallE
                                                                                                           => ( exuI1
                                                                                                             => ( exuI3
                                                                                                               => ( exuI2
                                                                                                                 => ( inCongP
                                                                                                                   => ( in__Cong
                                                                                                                     => ( exuE3u
                                                                                                                       => ( exu__Cong
                                                                                                                         => ( emptyset__Cong
                                                                                                                           => ( setadjoin__Cong
                                                                                                                             => ( powerset__Cong
                                                                                                                               => ( setunion__Cong
                                                                                                                                 => ( omega__Cong
                                                                                                                                   => ( exuEu
                                                                                                                                     => ( descr__Cong
                                                                                                                                       => ( dsetconstr__Cong
                                                                                                                                         => ( subsetI1
                                                                                                                                           => ( eqimpsubset2
                                                                                                                                             => ( eqimpsubset1
                                                                                                                                               => ( subsetI2
                                                                                                                                                 => ( emptysetsubset
                                                                                                                                                   => ( subsetE
                                                                                                                                                     => ( subsetE2
                                                                                                                                                       => ( notsubsetI
                                                                                                                                                         => ( notequalI1
                                                                                                                                                           => ( notequalI2
                                                                                                                                                             => ( subsetRefl
                                                                                                                                                               => ( subsetTrans
                                                                                                                                                                 => ( setadjoinSub
                                                                                                                                                                   => ( setadjoinSub2
                                                                                                                                                                     => ( subset2powerset
                                                                                                                                                                       => ( setextsub
                                                                                                                                                                         => ( subsetemptysetimpeq
                                                                                                                                                                           => ( powersetI1
                                                                                                                                                                             => ( powersetE1
                                                                                                                                                                               => ( inPowerset
                                                                                                                                                                                 => ( powersetsubset
                                                                                                                                                                                   => ( sepInPowerset
                                                                                                                                                                                     => ( sepSubset
                                                                                                                                                                                       => ( binunionIL
                                                                                                                                                                                         => ( upairset2IR
                                                                                                                                                                                           => ( binunionIR
                                                                                                                                                                                             => ( binunionEcases
                                                                                                                                                                                               => ( binunionE
                                                                                                                                                                                                 => ( binunionLsub
                                                                                                                                                                                                   => ( binunionRsub
                                                                                                                                                                                                     => ( binintersectI
                                                                                                                                                                                                       => ( binintersectSubset5
                                                                                                                                                                                                         => ( binintersectEL
                                                                                                                                                                                                           => ( binintersectLsub
                                                                                                                                                                                                             => ( binintersectSubset2
                                                                                                                                                                                                               => ( binintersectSubset3
                                                                                                                                                                                                                 => ( binintersectER
                                                                                                                                                                                                                   => ( disjointsetsI1
                                                                                                                                                                                                                     => ( binintersectRsub
                                                                                                                                                                                                                       => ( binintersectSubset4
                                                                                                                                                                                                                         => ( binintersectSubset1
                                                                                                                                                                                                                           => ( bs114d
                                                                                                                                                                                                                             => ( setminusI
                                                                                                                                                                                                                               => ( setminusEL
                                                                                                                                                                                                                                 => ( setminusER
                                                                                                                                                                                                                                   => ( setminusSubset2
                                                                                                                                                                                                                                     => ( setminusERneg
                                                                                                                                                                                                                                       => ( setminusELneg
                                                                                                                                                                                                                                         => ( setminusILneg
                                                                                                                                                                                                                                           => ( setminusIRneg
                                                                                                                                                                                                                                             => ( setminusLsub
                                                                                                                                                                                                                                               => ( setminusSubset1
                                                                                                                                                                                                                                                 => ( symdiffE
                                                                                                                                                                                                                                                   => ( symdiffI1
                                                                                                                                                                                                                                                     => ( symdiffI2
                                                                                                                                                                                                                                                       => ( symdiffIneg1
                                                                                                                                                                                                                                                         => ( symdiffIneg2
                                                                                                                                                                                                                                                           => ( secondinupair
                                                                                                                                                                                                                                                             => ( setukpairIL
                                                                                                                                                                                                                                                               => ( setukpairIR
                                                                                                                                                                                                                                                                 => ( kpairiskpair
                                                                                                                                                                                                                                                                   => ( kpairp
                                                                                                                                                                                                                                                                     => ( singletonsubset
                                                                                                                                                                                                                                                                       => ( singletoninpowerset
                                                                                                                                                                                                                                                                         => ( singletoninpowunion
                                                                                                                                                                                                                                                                           => ( upairset2E
                                                                                                                                                                                                                                                                             => ( upairsubunion
                                                                                                                                                                                                                                                                               => ( upairinpowunion
                                                                                                                                                                                                                                                                                 => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                   => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                     => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                       => ( cartprodpairin
                                                                                                                                                                                                                                                                                         => ( cartprodmempair1
                                                                                                                                                                                                                                                                                           => ( cartprodmempair
                                                                                                                                                                                                                                                                                             => ( setunionE2
                                                                                                                                                                                                                                                                                               => ( setunionsingleton1
                                                                                                                                                                                                                                                                                                 => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                   => ( setunionsingleton
                                                                                                                                                                                                                                                                                                     => ( singletonprop
                                                                                                                                                                                                                                                                                                       => ( ex1E1
                                                                                                                                                                                                                                                                                                         => ( ex1I
                                                                                                                                                                                                                                                                                                           => ( ex1I2
                                                                                                                                                                                                                                                                                                             => ( singletonsuniq
                                                                                                                                                                                                                                                                                                               => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                                 => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                   => ( theprop
                                                                                                                                                                                                                                                                                                                     => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                       => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                         => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                           => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                             => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                               => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                   => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                       => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                         => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                           => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                             => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                               => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                 => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                                   => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                     => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                       => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                         => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                           => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                           => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                             => ( apProp
                                                                                                                                                                                                                                                                                                                                                                               => ( app
                                                                                                                                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                               => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4608]) ).

thf(f4615,plain,
    ( ( foundationAx
     => ( wellorderingAx
       => ( descrp
         => ( dsetconstrI
           => ( dsetconstrEL
             => ( dsetconstrER
               => ( exuE1
                 => ( prop2setE
                   => ( emptysetE
                     => ( emptysetimpfalse
                       => ( notinemptyset
                         => ( exuE3e
                           => ( setext
                             => ( emptyI
                               => ( noeltsimpempty
                                 => ( setbeta
                                   => ( nonemptyE1
                                     => ( nonemptyI
                                       => ( nonemptyI1
                                         => ( setadjoinIL
                                           => ( emptyinunitempty
                                             => ( setadjoinIR
                                               => ( setadjoinE
                                                 => ( setadjoinOr
                                                   => ( setoftrueEq
                                                     => ( powersetI
                                                       => ( emptyinPowerset
                                                         => ( emptyInPowerset
                                                           => ( powersetE
                                                             => ( setunionI
                                                               => ( setunionE
                                                                 => ( subPowSU
                                                                   => ( exuE2
                                                                     => ( nonemptyImpWitness
                                                                       => ( uniqinunit
                                                                         => ( notinsingleton
                                                                           => ( eqinunit
                                                                             => ( singletonsswitch
                                                                               => ( upairsetE
                                                                                 => ( upairsetIL
                                                                                   => ( upairsetIR
                                                                                     => ( emptyE1
                                                                                       => ( vacuousDall
                                                                                         => ( quantDeMorgan1
                                                                                           => ( quantDeMorgan2
                                                                                             => ( quantDeMorgan3
                                                                                               => ( quantDeMorgan4
                                                                                                 => ( prop2setI
                                                                                                   => ( prop2set2propI
                                                                                                     => ( notdexE
                                                                                                       => ( notdallE
                                                                                                         => ( exuI1
                                                                                                           => ( exuI3
                                                                                                             => ( exuI2
                                                                                                               => ( inCongP
                                                                                                                 => ( in__Cong
                                                                                                                   => ( exuE3u
                                                                                                                     => ( exu__Cong
                                                                                                                       => ( emptyset__Cong
                                                                                                                         => ( setadjoin__Cong
                                                                                                                           => ( powerset__Cong
                                                                                                                             => ( setunion__Cong
                                                                                                                               => ( omega__Cong
                                                                                                                                 => ( exuEu
                                                                                                                                   => ( descr__Cong
                                                                                                                                     => ( dsetconstr__Cong
                                                                                                                                       => ( subsetI1
                                                                                                                                         => ( eqimpsubset2
                                                                                                                                           => ( eqimpsubset1
                                                                                                                                             => ( subsetI2
                                                                                                                                               => ( emptysetsubset
                                                                                                                                                 => ( subsetE
                                                                                                                                                   => ( subsetE2
                                                                                                                                                     => ( notsubsetI
                                                                                                                                                       => ( notequalI1
                                                                                                                                                         => ( notequalI2
                                                                                                                                                           => ( subsetRefl
                                                                                                                                                             => ( subsetTrans
                                                                                                                                                               => ( setadjoinSub
                                                                                                                                                                 => ( setadjoinSub2
                                                                                                                                                                   => ( subset2powerset
                                                                                                                                                                     => ( setextsub
                                                                                                                                                                       => ( subsetemptysetimpeq
                                                                                                                                                                         => ( powersetI1
                                                                                                                                                                           => ( powersetE1
                                                                                                                                                                             => ( inPowerset
                                                                                                                                                                               => ( powersetsubset
                                                                                                                                                                                 => ( sepInPowerset
                                                                                                                                                                                   => ( sepSubset
                                                                                                                                                                                     => ( binunionIL
                                                                                                                                                                                       => ( upairset2IR
                                                                                                                                                                                         => ( binunionIR
                                                                                                                                                                                           => ( binunionEcases
                                                                                                                                                                                             => ( binunionE
                                                                                                                                                                                               => ( binunionLsub
                                                                                                                                                                                                 => ( binunionRsub
                                                                                                                                                                                                   => ( binintersectI
                                                                                                                                                                                                     => ( binintersectSubset5
                                                                                                                                                                                                       => ( binintersectEL
                                                                                                                                                                                                         => ( binintersectLsub
                                                                                                                                                                                                           => ( binintersectSubset2
                                                                                                                                                                                                             => ( binintersectSubset3
                                                                                                                                                                                                               => ( binintersectER
                                                                                                                                                                                                                 => ( disjointsetsI1
                                                                                                                                                                                                                   => ( binintersectRsub
                                                                                                                                                                                                                     => ( binintersectSubset4
                                                                                                                                                                                                                       => ( binintersectSubset1
                                                                                                                                                                                                                         => ( bs114d
                                                                                                                                                                                                                           => ( setminusI
                                                                                                                                                                                                                             => ( setminusEL
                                                                                                                                                                                                                               => ( setminusER
                                                                                                                                                                                                                                 => ( setminusSubset2
                                                                                                                                                                                                                                   => ( setminusERneg
                                                                                                                                                                                                                                     => ( setminusELneg
                                                                                                                                                                                                                                       => ( setminusILneg
                                                                                                                                                                                                                                         => ( setminusIRneg
                                                                                                                                                                                                                                           => ( setminusLsub
                                                                                                                                                                                                                                             => ( setminusSubset1
                                                                                                                                                                                                                                               => ( symdiffE
                                                                                                                                                                                                                                                 => ( symdiffI1
                                                                                                                                                                                                                                                   => ( symdiffI2
                                                                                                                                                                                                                                                     => ( symdiffIneg1
                                                                                                                                                                                                                                                       => ( symdiffIneg2
                                                                                                                                                                                                                                                         => ( secondinupair
                                                                                                                                                                                                                                                           => ( setukpairIL
                                                                                                                                                                                                                                                             => ( setukpairIR
                                                                                                                                                                                                                                                               => ( kpairiskpair
                                                                                                                                                                                                                                                                 => ( kpairp
                                                                                                                                                                                                                                                                   => ( singletonsubset
                                                                                                                                                                                                                                                                     => ( singletoninpowerset
                                                                                                                                                                                                                                                                       => ( singletoninpowunion
                                                                                                                                                                                                                                                                         => ( upairset2E
                                                                                                                                                                                                                                                                           => ( upairsubunion
                                                                                                                                                                                                                                                                             => ( upairinpowunion
                                                                                                                                                                                                                                                                               => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                 => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                   => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                     => ( cartprodpairin
                                                                                                                                                                                                                                                                                       => ( cartprodmempair1
                                                                                                                                                                                                                                                                                         => ( cartprodmempair
                                                                                                                                                                                                                                                                                           => ( setunionE2
                                                                                                                                                                                                                                                                                             => ( setunionsingleton1
                                                                                                                                                                                                                                                                                               => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                 => ( setunionsingleton
                                                                                                                                                                                                                                                                                                   => ( singletonprop
                                                                                                                                                                                                                                                                                                     => ( ex1E1
                                                                                                                                                                                                                                                                                                       => ( ex1I
                                                                                                                                                                                                                                                                                                         => ( ex1I2
                                                                                                                                                                                                                                                                                                           => ( singletonsuniq
                                                                                                                                                                                                                                                                                                             => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                               => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                 => ( theprop
                                                                                                                                                                                                                                                                                                                   => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                     => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                       => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                         => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                           => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                             => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                               => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                 => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                       => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                         => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                           => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                             => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                               => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                                 => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                   => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                     => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                       => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                         => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                               => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                         => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                           => ( apProp
                                                                                                                                                                                                                                                                                                                                                                             => ( app
                                                                                                                                                                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                      ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                             => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4612]) ).

thf(f4617,plain,
    ( $false
    = ( wellorderingAx
     => ( descrp
       => ( dsetconstrI
         => ( dsetconstrEL
           => ( dsetconstrER
             => ( exuE1
               => ( prop2setE
                 => ( emptysetE
                   => ( emptysetimpfalse
                     => ( notinemptyset
                       => ( exuE3e
                         => ( setext
                           => ( emptyI
                             => ( noeltsimpempty
                               => ( setbeta
                                 => ( nonemptyE1
                                   => ( nonemptyI
                                     => ( nonemptyI1
                                       => ( setadjoinIL
                                         => ( emptyinunitempty
                                           => ( setadjoinIR
                                             => ( setadjoinE
                                               => ( setadjoinOr
                                                 => ( setoftrueEq
                                                   => ( powersetI
                                                     => ( emptyinPowerset
                                                       => ( emptyInPowerset
                                                         => ( powersetE
                                                           => ( setunionI
                                                             => ( setunionE
                                                               => ( subPowSU
                                                                 => ( exuE2
                                                                   => ( nonemptyImpWitness
                                                                     => ( uniqinunit
                                                                       => ( notinsingleton
                                                                         => ( eqinunit
                                                                           => ( singletonsswitch
                                                                             => ( upairsetE
                                                                               => ( upairsetIL
                                                                                 => ( upairsetIR
                                                                                   => ( emptyE1
                                                                                     => ( vacuousDall
                                                                                       => ( quantDeMorgan1
                                                                                         => ( quantDeMorgan2
                                                                                           => ( quantDeMorgan3
                                                                                             => ( quantDeMorgan4
                                                                                               => ( prop2setI
                                                                                                 => ( prop2set2propI
                                                                                                   => ( notdexE
                                                                                                     => ( notdallE
                                                                                                       => ( exuI1
                                                                                                         => ( exuI3
                                                                                                           => ( exuI2
                                                                                                             => ( inCongP
                                                                                                               => ( in__Cong
                                                                                                                 => ( exuE3u
                                                                                                                   => ( exu__Cong
                                                                                                                     => ( emptyset__Cong
                                                                                                                       => ( setadjoin__Cong
                                                                                                                         => ( powerset__Cong
                                                                                                                           => ( setunion__Cong
                                                                                                                             => ( omega__Cong
                                                                                                                               => ( exuEu
                                                                                                                                 => ( descr__Cong
                                                                                                                                   => ( dsetconstr__Cong
                                                                                                                                     => ( subsetI1
                                                                                                                                       => ( eqimpsubset2
                                                                                                                                         => ( eqimpsubset1
                                                                                                                                           => ( subsetI2
                                                                                                                                             => ( emptysetsubset
                                                                                                                                               => ( subsetE
                                                                                                                                                 => ( subsetE2
                                                                                                                                                   => ( notsubsetI
                                                                                                                                                     => ( notequalI1
                                                                                                                                                       => ( notequalI2
                                                                                                                                                         => ( subsetRefl
                                                                                                                                                           => ( subsetTrans
                                                                                                                                                             => ( setadjoinSub
                                                                                                                                                               => ( setadjoinSub2
                                                                                                                                                                 => ( subset2powerset
                                                                                                                                                                   => ( setextsub
                                                                                                                                                                     => ( subsetemptysetimpeq
                                                                                                                                                                       => ( powersetI1
                                                                                                                                                                         => ( powersetE1
                                                                                                                                                                           => ( inPowerset
                                                                                                                                                                             => ( powersetsubset
                                                                                                                                                                               => ( sepInPowerset
                                                                                                                                                                                 => ( sepSubset
                                                                                                                                                                                   => ( binunionIL
                                                                                                                                                                                     => ( upairset2IR
                                                                                                                                                                                       => ( binunionIR
                                                                                                                                                                                         => ( binunionEcases
                                                                                                                                                                                           => ( binunionE
                                                                                                                                                                                             => ( binunionLsub
                                                                                                                                                                                               => ( binunionRsub
                                                                                                                                                                                                 => ( binintersectI
                                                                                                                                                                                                   => ( binintersectSubset5
                                                                                                                                                                                                     => ( binintersectEL
                                                                                                                                                                                                       => ( binintersectLsub
                                                                                                                                                                                                         => ( binintersectSubset2
                                                                                                                                                                                                           => ( binintersectSubset3
                                                                                                                                                                                                             => ( binintersectER
                                                                                                                                                                                                               => ( disjointsetsI1
                                                                                                                                                                                                                 => ( binintersectRsub
                                                                                                                                                                                                                   => ( binintersectSubset4
                                                                                                                                                                                                                     => ( binintersectSubset1
                                                                                                                                                                                                                       => ( bs114d
                                                                                                                                                                                                                         => ( setminusI
                                                                                                                                                                                                                           => ( setminusEL
                                                                                                                                                                                                                             => ( setminusER
                                                                                                                                                                                                                               => ( setminusSubset2
                                                                                                                                                                                                                                 => ( setminusERneg
                                                                                                                                                                                                                                   => ( setminusELneg
                                                                                                                                                                                                                                     => ( setminusILneg
                                                                                                                                                                                                                                       => ( setminusIRneg
                                                                                                                                                                                                                                         => ( setminusLsub
                                                                                                                                                                                                                                           => ( setminusSubset1
                                                                                                                                                                                                                                             => ( symdiffE
                                                                                                                                                                                                                                               => ( symdiffI1
                                                                                                                                                                                                                                                 => ( symdiffI2
                                                                                                                                                                                                                                                   => ( symdiffIneg1
                                                                                                                                                                                                                                                     => ( symdiffIneg2
                                                                                                                                                                                                                                                       => ( secondinupair
                                                                                                                                                                                                                                                         => ( setukpairIL
                                                                                                                                                                                                                                                           => ( setukpairIR
                                                                                                                                                                                                                                                             => ( kpairiskpair
                                                                                                                                                                                                                                                               => ( kpairp
                                                                                                                                                                                                                                                                 => ( singletonsubset
                                                                                                                                                                                                                                                                   => ( singletoninpowerset
                                                                                                                                                                                                                                                                     => ( singletoninpowunion
                                                                                                                                                                                                                                                                       => ( upairset2E
                                                                                                                                                                                                                                                                         => ( upairsubunion
                                                                                                                                                                                                                                                                           => ( upairinpowunion
                                                                                                                                                                                                                                                                             => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                               => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                 => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                   => ( cartprodpairin
                                                                                                                                                                                                                                                                                     => ( cartprodmempair1
                                                                                                                                                                                                                                                                                       => ( cartprodmempair
                                                                                                                                                                                                                                                                                         => ( setunionE2
                                                                                                                                                                                                                                                                                           => ( setunionsingleton1
                                                                                                                                                                                                                                                                                             => ( setunionsingleton2
                                                                                                                                                                                                                                                                                               => ( setunionsingleton
                                                                                                                                                                                                                                                                                                 => ( singletonprop
                                                                                                                                                                                                                                                                                                   => ( ex1E1
                                                                                                                                                                                                                                                                                                     => ( ex1I
                                                                                                                                                                                                                                                                                                       => ( ex1I2
                                                                                                                                                                                                                                                                                                         => ( singletonsuniq
                                                                                                                                                                                                                                                                                                           => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                             => ( kfstsingleton
                                                                                                                                                                                                                                                                                                               => ( theprop
                                                                                                                                                                                                                                                                                                                 => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                   => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                     => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                       => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                         => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                           => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                             => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                               => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                     => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                       => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                         => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                           => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                             => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                               => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                 => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                   => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                     => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                       => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                             => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                       => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                         => ( apProp
                                                                                                                                                                                                                                                                                                                                                                           => ( app
                                                                                                                                                                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                    ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                           => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4615]) ).

thf(f4620,plain,
    ( $false
    = ( descrp
     => ( dsetconstrI
       => ( dsetconstrEL
         => ( dsetconstrER
           => ( exuE1
             => ( prop2setE
               => ( emptysetE
                 => ( emptysetimpfalse
                   => ( notinemptyset
                     => ( exuE3e
                       => ( setext
                         => ( emptyI
                           => ( noeltsimpempty
                             => ( setbeta
                               => ( nonemptyE1
                                 => ( nonemptyI
                                   => ( nonemptyI1
                                     => ( setadjoinIL
                                       => ( emptyinunitempty
                                         => ( setadjoinIR
                                           => ( setadjoinE
                                             => ( setadjoinOr
                                               => ( setoftrueEq
                                                 => ( powersetI
                                                   => ( emptyinPowerset
                                                     => ( emptyInPowerset
                                                       => ( powersetE
                                                         => ( setunionI
                                                           => ( setunionE
                                                             => ( subPowSU
                                                               => ( exuE2
                                                                 => ( nonemptyImpWitness
                                                                   => ( uniqinunit
                                                                     => ( notinsingleton
                                                                       => ( eqinunit
                                                                         => ( singletonsswitch
                                                                           => ( upairsetE
                                                                             => ( upairsetIL
                                                                               => ( upairsetIR
                                                                                 => ( emptyE1
                                                                                   => ( vacuousDall
                                                                                     => ( quantDeMorgan1
                                                                                       => ( quantDeMorgan2
                                                                                         => ( quantDeMorgan3
                                                                                           => ( quantDeMorgan4
                                                                                             => ( prop2setI
                                                                                               => ( prop2set2propI
                                                                                                 => ( notdexE
                                                                                                   => ( notdallE
                                                                                                     => ( exuI1
                                                                                                       => ( exuI3
                                                                                                         => ( exuI2
                                                                                                           => ( inCongP
                                                                                                             => ( in__Cong
                                                                                                               => ( exuE3u
                                                                                                                 => ( exu__Cong
                                                                                                                   => ( emptyset__Cong
                                                                                                                     => ( setadjoin__Cong
                                                                                                                       => ( powerset__Cong
                                                                                                                         => ( setunion__Cong
                                                                                                                           => ( omega__Cong
                                                                                                                             => ( exuEu
                                                                                                                               => ( descr__Cong
                                                                                                                                 => ( dsetconstr__Cong
                                                                                                                                   => ( subsetI1
                                                                                                                                     => ( eqimpsubset2
                                                                                                                                       => ( eqimpsubset1
                                                                                                                                         => ( subsetI2
                                                                                                                                           => ( emptysetsubset
                                                                                                                                             => ( subsetE
                                                                                                                                               => ( subsetE2
                                                                                                                                                 => ( notsubsetI
                                                                                                                                                   => ( notequalI1
                                                                                                                                                     => ( notequalI2
                                                                                                                                                       => ( subsetRefl
                                                                                                                                                         => ( subsetTrans
                                                                                                                                                           => ( setadjoinSub
                                                                                                                                                             => ( setadjoinSub2
                                                                                                                                                               => ( subset2powerset
                                                                                                                                                                 => ( setextsub
                                                                                                                                                                   => ( subsetemptysetimpeq
                                                                                                                                                                     => ( powersetI1
                                                                                                                                                                       => ( powersetE1
                                                                                                                                                                         => ( inPowerset
                                                                                                                                                                           => ( powersetsubset
                                                                                                                                                                             => ( sepInPowerset
                                                                                                                                                                               => ( sepSubset
                                                                                                                                                                                 => ( binunionIL
                                                                                                                                                                                   => ( upairset2IR
                                                                                                                                                                                     => ( binunionIR
                                                                                                                                                                                       => ( binunionEcases
                                                                                                                                                                                         => ( binunionE
                                                                                                                                                                                           => ( binunionLsub
                                                                                                                                                                                             => ( binunionRsub
                                                                                                                                                                                               => ( binintersectI
                                                                                                                                                                                                 => ( binintersectSubset5
                                                                                                                                                                                                   => ( binintersectEL
                                                                                                                                                                                                     => ( binintersectLsub
                                                                                                                                                                                                       => ( binintersectSubset2
                                                                                                                                                                                                         => ( binintersectSubset3
                                                                                                                                                                                                           => ( binintersectER
                                                                                                                                                                                                             => ( disjointsetsI1
                                                                                                                                                                                                               => ( binintersectRsub
                                                                                                                                                                                                                 => ( binintersectSubset4
                                                                                                                                                                                                                   => ( binintersectSubset1
                                                                                                                                                                                                                     => ( bs114d
                                                                                                                                                                                                                       => ( setminusI
                                                                                                                                                                                                                         => ( setminusEL
                                                                                                                                                                                                                           => ( setminusER
                                                                                                                                                                                                                             => ( setminusSubset2
                                                                                                                                                                                                                               => ( setminusERneg
                                                                                                                                                                                                                                 => ( setminusELneg
                                                                                                                                                                                                                                   => ( setminusILneg
                                                                                                                                                                                                                                     => ( setminusIRneg
                                                                                                                                                                                                                                       => ( setminusLsub
                                                                                                                                                                                                                                         => ( setminusSubset1
                                                                                                                                                                                                                                           => ( symdiffE
                                                                                                                                                                                                                                             => ( symdiffI1
                                                                                                                                                                                                                                               => ( symdiffI2
                                                                                                                                                                                                                                                 => ( symdiffIneg1
                                                                                                                                                                                                                                                   => ( symdiffIneg2
                                                                                                                                                                                                                                                     => ( secondinupair
                                                                                                                                                                                                                                                       => ( setukpairIL
                                                                                                                                                                                                                                                         => ( setukpairIR
                                                                                                                                                                                                                                                           => ( kpairiskpair
                                                                                                                                                                                                                                                             => ( kpairp
                                                                                                                                                                                                                                                               => ( singletonsubset
                                                                                                                                                                                                                                                                 => ( singletoninpowerset
                                                                                                                                                                                                                                                                   => ( singletoninpowunion
                                                                                                                                                                                                                                                                     => ( upairset2E
                                                                                                                                                                                                                                                                       => ( upairsubunion
                                                                                                                                                                                                                                                                         => ( upairinpowunion
                                                                                                                                                                                                                                                                           => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                             => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                               => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                 => ( cartprodpairin
                                                                                                                                                                                                                                                                                   => ( cartprodmempair1
                                                                                                                                                                                                                                                                                     => ( cartprodmempair
                                                                                                                                                                                                                                                                                       => ( setunionE2
                                                                                                                                                                                                                                                                                         => ( setunionsingleton1
                                                                                                                                                                                                                                                                                           => ( setunionsingleton2
                                                                                                                                                                                                                                                                                             => ( setunionsingleton
                                                                                                                                                                                                                                                                                               => ( singletonprop
                                                                                                                                                                                                                                                                                                 => ( ex1E1
                                                                                                                                                                                                                                                                                                   => ( ex1I
                                                                                                                                                                                                                                                                                                     => ( ex1I2
                                                                                                                                                                                                                                                                                                       => ( singletonsuniq
                                                                                                                                                                                                                                                                                                         => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                           => ( kfstsingleton
                                                                                                                                                                                                                                                                                                             => ( theprop
                                                                                                                                                                                                                                                                                                               => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                 => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                   => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                     => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                       => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                         => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                           => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                             => ( upairequniteq
                                                                                                                                                                                                                                                                                                                               => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                   => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                     => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                       => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                         => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                           => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                             => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                               => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                 => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                   => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                     => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                           => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                     => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                       => ( apProp
                                                                                                                                                                                                                                                                                                                                                                         => ( app
                                                                                                                                                                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                  ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                         => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4617]) ).

thf(f4624,plain,
    ( ( dsetconstrI
     => ( dsetconstrEL
       => ( dsetconstrER
         => ( exuE1
           => ( prop2setE
             => ( emptysetE
               => ( emptysetimpfalse
                 => ( notinemptyset
                   => ( exuE3e
                     => ( setext
                       => ( emptyI
                         => ( noeltsimpempty
                           => ( setbeta
                             => ( nonemptyE1
                               => ( nonemptyI
                                 => ( nonemptyI1
                                   => ( setadjoinIL
                                     => ( emptyinunitempty
                                       => ( setadjoinIR
                                         => ( setadjoinE
                                           => ( setadjoinOr
                                             => ( setoftrueEq
                                               => ( powersetI
                                                 => ( emptyinPowerset
                                                   => ( emptyInPowerset
                                                     => ( powersetE
                                                       => ( setunionI
                                                         => ( setunionE
                                                           => ( subPowSU
                                                             => ( exuE2
                                                               => ( nonemptyImpWitness
                                                                 => ( uniqinunit
                                                                   => ( notinsingleton
                                                                     => ( eqinunit
                                                                       => ( singletonsswitch
                                                                         => ( upairsetE
                                                                           => ( upairsetIL
                                                                             => ( upairsetIR
                                                                               => ( emptyE1
                                                                                 => ( vacuousDall
                                                                                   => ( quantDeMorgan1
                                                                                     => ( quantDeMorgan2
                                                                                       => ( quantDeMorgan3
                                                                                         => ( quantDeMorgan4
                                                                                           => ( prop2setI
                                                                                             => ( prop2set2propI
                                                                                               => ( notdexE
                                                                                                 => ( notdallE
                                                                                                   => ( exuI1
                                                                                                     => ( exuI3
                                                                                                       => ( exuI2
                                                                                                         => ( inCongP
                                                                                                           => ( in__Cong
                                                                                                             => ( exuE3u
                                                                                                               => ( exu__Cong
                                                                                                                 => ( emptyset__Cong
                                                                                                                   => ( setadjoin__Cong
                                                                                                                     => ( powerset__Cong
                                                                                                                       => ( setunion__Cong
                                                                                                                         => ( omega__Cong
                                                                                                                           => ( exuEu
                                                                                                                             => ( descr__Cong
                                                                                                                               => ( dsetconstr__Cong
                                                                                                                                 => ( subsetI1
                                                                                                                                   => ( eqimpsubset2
                                                                                                                                     => ( eqimpsubset1
                                                                                                                                       => ( subsetI2
                                                                                                                                         => ( emptysetsubset
                                                                                                                                           => ( subsetE
                                                                                                                                             => ( subsetE2
                                                                                                                                               => ( notsubsetI
                                                                                                                                                 => ( notequalI1
                                                                                                                                                   => ( notequalI2
                                                                                                                                                     => ( subsetRefl
                                                                                                                                                       => ( subsetTrans
                                                                                                                                                         => ( setadjoinSub
                                                                                                                                                           => ( setadjoinSub2
                                                                                                                                                             => ( subset2powerset
                                                                                                                                                               => ( setextsub
                                                                                                                                                                 => ( subsetemptysetimpeq
                                                                                                                                                                   => ( powersetI1
                                                                                                                                                                     => ( powersetE1
                                                                                                                                                                       => ( inPowerset
                                                                                                                                                                         => ( powersetsubset
                                                                                                                                                                           => ( sepInPowerset
                                                                                                                                                                             => ( sepSubset
                                                                                                                                                                               => ( binunionIL
                                                                                                                                                                                 => ( upairset2IR
                                                                                                                                                                                   => ( binunionIR
                                                                                                                                                                                     => ( binunionEcases
                                                                                                                                                                                       => ( binunionE
                                                                                                                                                                                         => ( binunionLsub
                                                                                                                                                                                           => ( binunionRsub
                                                                                                                                                                                             => ( binintersectI
                                                                                                                                                                                               => ( binintersectSubset5
                                                                                                                                                                                                 => ( binintersectEL
                                                                                                                                                                                                   => ( binintersectLsub
                                                                                                                                                                                                     => ( binintersectSubset2
                                                                                                                                                                                                       => ( binintersectSubset3
                                                                                                                                                                                                         => ( binintersectER
                                                                                                                                                                                                           => ( disjointsetsI1
                                                                                                                                                                                                             => ( binintersectRsub
                                                                                                                                                                                                               => ( binintersectSubset4
                                                                                                                                                                                                                 => ( binintersectSubset1
                                                                                                                                                                                                                   => ( bs114d
                                                                                                                                                                                                                     => ( setminusI
                                                                                                                                                                                                                       => ( setminusEL
                                                                                                                                                                                                                         => ( setminusER
                                                                                                                                                                                                                           => ( setminusSubset2
                                                                                                                                                                                                                             => ( setminusERneg
                                                                                                                                                                                                                               => ( setminusELneg
                                                                                                                                                                                                                                 => ( setminusILneg
                                                                                                                                                                                                                                   => ( setminusIRneg
                                                                                                                                                                                                                                     => ( setminusLsub
                                                                                                                                                                                                                                       => ( setminusSubset1
                                                                                                                                                                                                                                         => ( symdiffE
                                                                                                                                                                                                                                           => ( symdiffI1
                                                                                                                                                                                                                                             => ( symdiffI2
                                                                                                                                                                                                                                               => ( symdiffIneg1
                                                                                                                                                                                                                                                 => ( symdiffIneg2
                                                                                                                                                                                                                                                   => ( secondinupair
                                                                                                                                                                                                                                                     => ( setukpairIL
                                                                                                                                                                                                                                                       => ( setukpairIR
                                                                                                                                                                                                                                                         => ( kpairiskpair
                                                                                                                                                                                                                                                           => ( kpairp
                                                                                                                                                                                                                                                             => ( singletonsubset
                                                                                                                                                                                                                                                               => ( singletoninpowerset
                                                                                                                                                                                                                                                                 => ( singletoninpowunion
                                                                                                                                                                                                                                                                   => ( upairset2E
                                                                                                                                                                                                                                                                     => ( upairsubunion
                                                                                                                                                                                                                                                                       => ( upairinpowunion
                                                                                                                                                                                                                                                                         => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                           => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                             => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                               => ( cartprodpairin
                                                                                                                                                                                                                                                                                 => ( cartprodmempair1
                                                                                                                                                                                                                                                                                   => ( cartprodmempair
                                                                                                                                                                                                                                                                                     => ( setunionE2
                                                                                                                                                                                                                                                                                       => ( setunionsingleton1
                                                                                                                                                                                                                                                                                         => ( setunionsingleton2
                                                                                                                                                                                                                                                                                           => ( setunionsingleton
                                                                                                                                                                                                                                                                                             => ( singletonprop
                                                                                                                                                                                                                                                                                               => ( ex1E1
                                                                                                                                                                                                                                                                                                 => ( ex1I
                                                                                                                                                                                                                                                                                                   => ( ex1I2
                                                                                                                                                                                                                                                                                                     => ( singletonsuniq
                                                                                                                                                                                                                                                                                                       => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                         => ( kfstsingleton
                                                                                                                                                                                                                                                                                                           => ( theprop
                                                                                                                                                                                                                                                                                                             => ( kfstpairEq
                                                                                                                                                                                                                                                                                                               => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                 => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                   => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                       => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                         => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                           => ( upairequniteq
                                                                                                                                                                                                                                                                                                                             => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                               => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                 => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                   => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                     => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                       => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                         => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                           => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                             => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                               => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                 => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                   => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                         => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                   => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                     => ( apProp
                                                                                                                                                                                                                                                                                                                                                                       => ( app
                                                                                                                                                                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                       => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4620]) ).

thf(f4626,plain,
    ( ( dsetconstrEL
     => ( dsetconstrER
       => ( exuE1
         => ( prop2setE
           => ( emptysetE
             => ( emptysetimpfalse
               => ( notinemptyset
                 => ( exuE3e
                   => ( setext
                     => ( emptyI
                       => ( noeltsimpempty
                         => ( setbeta
                           => ( nonemptyE1
                             => ( nonemptyI
                               => ( nonemptyI1
                                 => ( setadjoinIL
                                   => ( emptyinunitempty
                                     => ( setadjoinIR
                                       => ( setadjoinE
                                         => ( setadjoinOr
                                           => ( setoftrueEq
                                             => ( powersetI
                                               => ( emptyinPowerset
                                                 => ( emptyInPowerset
                                                   => ( powersetE
                                                     => ( setunionI
                                                       => ( setunionE
                                                         => ( subPowSU
                                                           => ( exuE2
                                                             => ( nonemptyImpWitness
                                                               => ( uniqinunit
                                                                 => ( notinsingleton
                                                                   => ( eqinunit
                                                                     => ( singletonsswitch
                                                                       => ( upairsetE
                                                                         => ( upairsetIL
                                                                           => ( upairsetIR
                                                                             => ( emptyE1
                                                                               => ( vacuousDall
                                                                                 => ( quantDeMorgan1
                                                                                   => ( quantDeMorgan2
                                                                                     => ( quantDeMorgan3
                                                                                       => ( quantDeMorgan4
                                                                                         => ( prop2setI
                                                                                           => ( prop2set2propI
                                                                                             => ( notdexE
                                                                                               => ( notdallE
                                                                                                 => ( exuI1
                                                                                                   => ( exuI3
                                                                                                     => ( exuI2
                                                                                                       => ( inCongP
                                                                                                         => ( in__Cong
                                                                                                           => ( exuE3u
                                                                                                             => ( exu__Cong
                                                                                                               => ( emptyset__Cong
                                                                                                                 => ( setadjoin__Cong
                                                                                                                   => ( powerset__Cong
                                                                                                                     => ( setunion__Cong
                                                                                                                       => ( omega__Cong
                                                                                                                         => ( exuEu
                                                                                                                           => ( descr__Cong
                                                                                                                             => ( dsetconstr__Cong
                                                                                                                               => ( subsetI1
                                                                                                                                 => ( eqimpsubset2
                                                                                                                                   => ( eqimpsubset1
                                                                                                                                     => ( subsetI2
                                                                                                                                       => ( emptysetsubset
                                                                                                                                         => ( subsetE
                                                                                                                                           => ( subsetE2
                                                                                                                                             => ( notsubsetI
                                                                                                                                               => ( notequalI1
                                                                                                                                                 => ( notequalI2
                                                                                                                                                   => ( subsetRefl
                                                                                                                                                     => ( subsetTrans
                                                                                                                                                       => ( setadjoinSub
                                                                                                                                                         => ( setadjoinSub2
                                                                                                                                                           => ( subset2powerset
                                                                                                                                                             => ( setextsub
                                                                                                                                                               => ( subsetemptysetimpeq
                                                                                                                                                                 => ( powersetI1
                                                                                                                                                                   => ( powersetE1
                                                                                                                                                                     => ( inPowerset
                                                                                                                                                                       => ( powersetsubset
                                                                                                                                                                         => ( sepInPowerset
                                                                                                                                                                           => ( sepSubset
                                                                                                                                                                             => ( binunionIL
                                                                                                                                                                               => ( upairset2IR
                                                                                                                                                                                 => ( binunionIR
                                                                                                                                                                                   => ( binunionEcases
                                                                                                                                                                                     => ( binunionE
                                                                                                                                                                                       => ( binunionLsub
                                                                                                                                                                                         => ( binunionRsub
                                                                                                                                                                                           => ( binintersectI
                                                                                                                                                                                             => ( binintersectSubset5
                                                                                                                                                                                               => ( binintersectEL
                                                                                                                                                                                                 => ( binintersectLsub
                                                                                                                                                                                                   => ( binintersectSubset2
                                                                                                                                                                                                     => ( binintersectSubset3
                                                                                                                                                                                                       => ( binintersectER
                                                                                                                                                                                                         => ( disjointsetsI1
                                                                                                                                                                                                           => ( binintersectRsub
                                                                                                                                                                                                             => ( binintersectSubset4
                                                                                                                                                                                                               => ( binintersectSubset1
                                                                                                                                                                                                                 => ( bs114d
                                                                                                                                                                                                                   => ( setminusI
                                                                                                                                                                                                                     => ( setminusEL
                                                                                                                                                                                                                       => ( setminusER
                                                                                                                                                                                                                         => ( setminusSubset2
                                                                                                                                                                                                                           => ( setminusERneg
                                                                                                                                                                                                                             => ( setminusELneg
                                                                                                                                                                                                                               => ( setminusILneg
                                                                                                                                                                                                                                 => ( setminusIRneg
                                                                                                                                                                                                                                   => ( setminusLsub
                                                                                                                                                                                                                                     => ( setminusSubset1
                                                                                                                                                                                                                                       => ( symdiffE
                                                                                                                                                                                                                                         => ( symdiffI1
                                                                                                                                                                                                                                           => ( symdiffI2
                                                                                                                                                                                                                                             => ( symdiffIneg1
                                                                                                                                                                                                                                               => ( symdiffIneg2
                                                                                                                                                                                                                                                 => ( secondinupair
                                                                                                                                                                                                                                                   => ( setukpairIL
                                                                                                                                                                                                                                                     => ( setukpairIR
                                                                                                                                                                                                                                                       => ( kpairiskpair
                                                                                                                                                                                                                                                         => ( kpairp
                                                                                                                                                                                                                                                           => ( singletonsubset
                                                                                                                                                                                                                                                             => ( singletoninpowerset
                                                                                                                                                                                                                                                               => ( singletoninpowunion
                                                                                                                                                                                                                                                                 => ( upairset2E
                                                                                                                                                                                                                                                                   => ( upairsubunion
                                                                                                                                                                                                                                                                     => ( upairinpowunion
                                                                                                                                                                                                                                                                       => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                         => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                           => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                             => ( cartprodpairin
                                                                                                                                                                                                                                                                               => ( cartprodmempair1
                                                                                                                                                                                                                                                                                 => ( cartprodmempair
                                                                                                                                                                                                                                                                                   => ( setunionE2
                                                                                                                                                                                                                                                                                     => ( setunionsingleton1
                                                                                                                                                                                                                                                                                       => ( setunionsingleton2
                                                                                                                                                                                                                                                                                         => ( setunionsingleton
                                                                                                                                                                                                                                                                                           => ( singletonprop
                                                                                                                                                                                                                                                                                             => ( ex1E1
                                                                                                                                                                                                                                                                                               => ( ex1I
                                                                                                                                                                                                                                                                                                 => ( ex1I2
                                                                                                                                                                                                                                                                                                   => ( singletonsuniq
                                                                                                                                                                                                                                                                                                     => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                       => ( kfstsingleton
                                                                                                                                                                                                                                                                                                         => ( theprop
                                                                                                                                                                                                                                                                                                           => ( kfstpairEq
                                                                                                                                                                                                                                                                                                             => ( cartprodfstin
                                                                                                                                                                                                                                                                                                               => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                 => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                   => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                       => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                         => ( upairequniteq
                                                                                                                                                                                                                                                                                                                           => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                             => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                               => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                 => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                   => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                     => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                       => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                         => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                           => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                             => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                               => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                 => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                       => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                 => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                   => ( apProp
                                                                                                                                                                                                                                                                                                                                                                     => ( app
                                                                                                                                                                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                              ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                     => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4624]) ).

thf(f4629,plain,
    ( $false
    = ( dsetconstrER
     => ( exuE1
       => ( prop2setE
         => ( emptysetE
           => ( emptysetimpfalse
             => ( notinemptyset
               => ( exuE3e
                 => ( setext
                   => ( emptyI
                     => ( noeltsimpempty
                       => ( setbeta
                         => ( nonemptyE1
                           => ( nonemptyI
                             => ( nonemptyI1
                               => ( setadjoinIL
                                 => ( emptyinunitempty
                                   => ( setadjoinIR
                                     => ( setadjoinE
                                       => ( setadjoinOr
                                         => ( setoftrueEq
                                           => ( powersetI
                                             => ( emptyinPowerset
                                               => ( emptyInPowerset
                                                 => ( powersetE
                                                   => ( setunionI
                                                     => ( setunionE
                                                       => ( subPowSU
                                                         => ( exuE2
                                                           => ( nonemptyImpWitness
                                                             => ( uniqinunit
                                                               => ( notinsingleton
                                                                 => ( eqinunit
                                                                   => ( singletonsswitch
                                                                     => ( upairsetE
                                                                       => ( upairsetIL
                                                                         => ( upairsetIR
                                                                           => ( emptyE1
                                                                             => ( vacuousDall
                                                                               => ( quantDeMorgan1
                                                                                 => ( quantDeMorgan2
                                                                                   => ( quantDeMorgan3
                                                                                     => ( quantDeMorgan4
                                                                                       => ( prop2setI
                                                                                         => ( prop2set2propI
                                                                                           => ( notdexE
                                                                                             => ( notdallE
                                                                                               => ( exuI1
                                                                                                 => ( exuI3
                                                                                                   => ( exuI2
                                                                                                     => ( inCongP
                                                                                                       => ( in__Cong
                                                                                                         => ( exuE3u
                                                                                                           => ( exu__Cong
                                                                                                             => ( emptyset__Cong
                                                                                                               => ( setadjoin__Cong
                                                                                                                 => ( powerset__Cong
                                                                                                                   => ( setunion__Cong
                                                                                                                     => ( omega__Cong
                                                                                                                       => ( exuEu
                                                                                                                         => ( descr__Cong
                                                                                                                           => ( dsetconstr__Cong
                                                                                                                             => ( subsetI1
                                                                                                                               => ( eqimpsubset2
                                                                                                                                 => ( eqimpsubset1
                                                                                                                                   => ( subsetI2
                                                                                                                                     => ( emptysetsubset
                                                                                                                                       => ( subsetE
                                                                                                                                         => ( subsetE2
                                                                                                                                           => ( notsubsetI
                                                                                                                                             => ( notequalI1
                                                                                                                                               => ( notequalI2
                                                                                                                                                 => ( subsetRefl
                                                                                                                                                   => ( subsetTrans
                                                                                                                                                     => ( setadjoinSub
                                                                                                                                                       => ( setadjoinSub2
                                                                                                                                                         => ( subset2powerset
                                                                                                                                                           => ( setextsub
                                                                                                                                                             => ( subsetemptysetimpeq
                                                                                                                                                               => ( powersetI1
                                                                                                                                                                 => ( powersetE1
                                                                                                                                                                   => ( inPowerset
                                                                                                                                                                     => ( powersetsubset
                                                                                                                                                                       => ( sepInPowerset
                                                                                                                                                                         => ( sepSubset
                                                                                                                                                                           => ( binunionIL
                                                                                                                                                                             => ( upairset2IR
                                                                                                                                                                               => ( binunionIR
                                                                                                                                                                                 => ( binunionEcases
                                                                                                                                                                                   => ( binunionE
                                                                                                                                                                                     => ( binunionLsub
                                                                                                                                                                                       => ( binunionRsub
                                                                                                                                                                                         => ( binintersectI
                                                                                                                                                                                           => ( binintersectSubset5
                                                                                                                                                                                             => ( binintersectEL
                                                                                                                                                                                               => ( binintersectLsub
                                                                                                                                                                                                 => ( binintersectSubset2
                                                                                                                                                                                                   => ( binintersectSubset3
                                                                                                                                                                                                     => ( binintersectER
                                                                                                                                                                                                       => ( disjointsetsI1
                                                                                                                                                                                                         => ( binintersectRsub
                                                                                                                                                                                                           => ( binintersectSubset4
                                                                                                                                                                                                             => ( binintersectSubset1
                                                                                                                                                                                                               => ( bs114d
                                                                                                                                                                                                                 => ( setminusI
                                                                                                                                                                                                                   => ( setminusEL
                                                                                                                                                                                                                     => ( setminusER
                                                                                                                                                                                                                       => ( setminusSubset2
                                                                                                                                                                                                                         => ( setminusERneg
                                                                                                                                                                                                                           => ( setminusELneg
                                                                                                                                                                                                                             => ( setminusILneg
                                                                                                                                                                                                                               => ( setminusIRneg
                                                                                                                                                                                                                                 => ( setminusLsub
                                                                                                                                                                                                                                   => ( setminusSubset1
                                                                                                                                                                                                                                     => ( symdiffE
                                                                                                                                                                                                                                       => ( symdiffI1
                                                                                                                                                                                                                                         => ( symdiffI2
                                                                                                                                                                                                                                           => ( symdiffIneg1
                                                                                                                                                                                                                                             => ( symdiffIneg2
                                                                                                                                                                                                                                               => ( secondinupair
                                                                                                                                                                                                                                                 => ( setukpairIL
                                                                                                                                                                                                                                                   => ( setukpairIR
                                                                                                                                                                                                                                                     => ( kpairiskpair
                                                                                                                                                                                                                                                       => ( kpairp
                                                                                                                                                                                                                                                         => ( singletonsubset
                                                                                                                                                                                                                                                           => ( singletoninpowerset
                                                                                                                                                                                                                                                             => ( singletoninpowunion
                                                                                                                                                                                                                                                               => ( upairset2E
                                                                                                                                                                                                                                                                 => ( upairsubunion
                                                                                                                                                                                                                                                                   => ( upairinpowunion
                                                                                                                                                                                                                                                                     => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                       => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                         => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                           => ( cartprodpairin
                                                                                                                                                                                                                                                                             => ( cartprodmempair1
                                                                                                                                                                                                                                                                               => ( cartprodmempair
                                                                                                                                                                                                                                                                                 => ( setunionE2
                                                                                                                                                                                                                                                                                   => ( setunionsingleton1
                                                                                                                                                                                                                                                                                     => ( setunionsingleton2
                                                                                                                                                                                                                                                                                       => ( setunionsingleton
                                                                                                                                                                                                                                                                                         => ( singletonprop
                                                                                                                                                                                                                                                                                           => ( ex1E1
                                                                                                                                                                                                                                                                                             => ( ex1I
                                                                                                                                                                                                                                                                                               => ( ex1I2
                                                                                                                                                                                                                                                                                                 => ( singletonsuniq
                                                                                                                                                                                                                                                                                                   => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                     => ( kfstsingleton
                                                                                                                                                                                                                                                                                                       => ( theprop
                                                                                                                                                                                                                                                                                                         => ( kfstpairEq
                                                                                                                                                                                                                                                                                                           => ( cartprodfstin
                                                                                                                                                                                                                                                                                                             => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                               => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                   => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                       => ( upairequniteq
                                                                                                                                                                                                                                                                                                                         => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                           => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                             => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                               => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                 => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                   => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                     => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                       => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                         => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                           => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                             => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                 => ( apProp
                                                                                                                                                                                                                                                                                                                                                                   => ( app
                                                                                                                                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                            ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                   => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4626]) ).

thf(f4632,plain,
    ( ( exuE1
     => ( prop2setE
       => ( emptysetE
         => ( emptysetimpfalse
           => ( notinemptyset
             => ( exuE3e
               => ( setext
                 => ( emptyI
                   => ( noeltsimpempty
                     => ( setbeta
                       => ( nonemptyE1
                         => ( nonemptyI
                           => ( nonemptyI1
                             => ( setadjoinIL
                               => ( emptyinunitempty
                                 => ( setadjoinIR
                                   => ( setadjoinE
                                     => ( setadjoinOr
                                       => ( setoftrueEq
                                         => ( powersetI
                                           => ( emptyinPowerset
                                             => ( emptyInPowerset
                                               => ( powersetE
                                                 => ( setunionI
                                                   => ( setunionE
                                                     => ( subPowSU
                                                       => ( exuE2
                                                         => ( nonemptyImpWitness
                                                           => ( uniqinunit
                                                             => ( notinsingleton
                                                               => ( eqinunit
                                                                 => ( singletonsswitch
                                                                   => ( upairsetE
                                                                     => ( upairsetIL
                                                                       => ( upairsetIR
                                                                         => ( emptyE1
                                                                           => ( vacuousDall
                                                                             => ( quantDeMorgan1
                                                                               => ( quantDeMorgan2
                                                                                 => ( quantDeMorgan3
                                                                                   => ( quantDeMorgan4
                                                                                     => ( prop2setI
                                                                                       => ( prop2set2propI
                                                                                         => ( notdexE
                                                                                           => ( notdallE
                                                                                             => ( exuI1
                                                                                               => ( exuI3
                                                                                                 => ( exuI2
                                                                                                   => ( inCongP
                                                                                                     => ( in__Cong
                                                                                                       => ( exuE3u
                                                                                                         => ( exu__Cong
                                                                                                           => ( emptyset__Cong
                                                                                                             => ( setadjoin__Cong
                                                                                                               => ( powerset__Cong
                                                                                                                 => ( setunion__Cong
                                                                                                                   => ( omega__Cong
                                                                                                                     => ( exuEu
                                                                                                                       => ( descr__Cong
                                                                                                                         => ( dsetconstr__Cong
                                                                                                                           => ( subsetI1
                                                                                                                             => ( eqimpsubset2
                                                                                                                               => ( eqimpsubset1
                                                                                                                                 => ( subsetI2
                                                                                                                                   => ( emptysetsubset
                                                                                                                                     => ( subsetE
                                                                                                                                       => ( subsetE2
                                                                                                                                         => ( notsubsetI
                                                                                                                                           => ( notequalI1
                                                                                                                                             => ( notequalI2
                                                                                                                                               => ( subsetRefl
                                                                                                                                                 => ( subsetTrans
                                                                                                                                                   => ( setadjoinSub
                                                                                                                                                     => ( setadjoinSub2
                                                                                                                                                       => ( subset2powerset
                                                                                                                                                         => ( setextsub
                                                                                                                                                           => ( subsetemptysetimpeq
                                                                                                                                                             => ( powersetI1
                                                                                                                                                               => ( powersetE1
                                                                                                                                                                 => ( inPowerset
                                                                                                                                                                   => ( powersetsubset
                                                                                                                                                                     => ( sepInPowerset
                                                                                                                                                                       => ( sepSubset
                                                                                                                                                                         => ( binunionIL
                                                                                                                                                                           => ( upairset2IR
                                                                                                                                                                             => ( binunionIR
                                                                                                                                                                               => ( binunionEcases
                                                                                                                                                                                 => ( binunionE
                                                                                                                                                                                   => ( binunionLsub
                                                                                                                                                                                     => ( binunionRsub
                                                                                                                                                                                       => ( binintersectI
                                                                                                                                                                                         => ( binintersectSubset5
                                                                                                                                                                                           => ( binintersectEL
                                                                                                                                                                                             => ( binintersectLsub
                                                                                                                                                                                               => ( binintersectSubset2
                                                                                                                                                                                                 => ( binintersectSubset3
                                                                                                                                                                                                   => ( binintersectER
                                                                                                                                                                                                     => ( disjointsetsI1
                                                                                                                                                                                                       => ( binintersectRsub
                                                                                                                                                                                                         => ( binintersectSubset4
                                                                                                                                                                                                           => ( binintersectSubset1
                                                                                                                                                                                                             => ( bs114d
                                                                                                                                                                                                               => ( setminusI
                                                                                                                                                                                                                 => ( setminusEL
                                                                                                                                                                                                                   => ( setminusER
                                                                                                                                                                                                                     => ( setminusSubset2
                                                                                                                                                                                                                       => ( setminusERneg
                                                                                                                                                                                                                         => ( setminusELneg
                                                                                                                                                                                                                           => ( setminusILneg
                                                                                                                                                                                                                             => ( setminusIRneg
                                                                                                                                                                                                                               => ( setminusLsub
                                                                                                                                                                                                                                 => ( setminusSubset1
                                                                                                                                                                                                                                   => ( symdiffE
                                                                                                                                                                                                                                     => ( symdiffI1
                                                                                                                                                                                                                                       => ( symdiffI2
                                                                                                                                                                                                                                         => ( symdiffIneg1
                                                                                                                                                                                                                                           => ( symdiffIneg2
                                                                                                                                                                                                                                             => ( secondinupair
                                                                                                                                                                                                                                               => ( setukpairIL
                                                                                                                                                                                                                                                 => ( setukpairIR
                                                                                                                                                                                                                                                   => ( kpairiskpair
                                                                                                                                                                                                                                                     => ( kpairp
                                                                                                                                                                                                                                                       => ( singletonsubset
                                                                                                                                                                                                                                                         => ( singletoninpowerset
                                                                                                                                                                                                                                                           => ( singletoninpowunion
                                                                                                                                                                                                                                                             => ( upairset2E
                                                                                                                                                                                                                                                               => ( upairsubunion
                                                                                                                                                                                                                                                                 => ( upairinpowunion
                                                                                                                                                                                                                                                                   => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                     => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                       => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                         => ( cartprodpairin
                                                                                                                                                                                                                                                                           => ( cartprodmempair1
                                                                                                                                                                                                                                                                             => ( cartprodmempair
                                                                                                                                                                                                                                                                               => ( setunionE2
                                                                                                                                                                                                                                                                                 => ( setunionsingleton1
                                                                                                                                                                                                                                                                                   => ( setunionsingleton2
                                                                                                                                                                                                                                                                                     => ( setunionsingleton
                                                                                                                                                                                                                                                                                       => ( singletonprop
                                                                                                                                                                                                                                                                                         => ( ex1E1
                                                                                                                                                                                                                                                                                           => ( ex1I
                                                                                                                                                                                                                                                                                             => ( ex1I2
                                                                                                                                                                                                                                                                                               => ( singletonsuniq
                                                                                                                                                                                                                                                                                                 => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                   => ( kfstsingleton
                                                                                                                                                                                                                                                                                                     => ( theprop
                                                                                                                                                                                                                                                                                                       => ( kfstpairEq
                                                                                                                                                                                                                                                                                                         => ( cartprodfstin
                                                                                                                                                                                                                                                                                                           => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                             => ( setukpairinjL
                                                                                                                                                                                                                                                                                                               => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                   => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                     => ( upairequniteq
                                                                                                                                                                                                                                                                                                                       => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                         => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                           => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                             => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                               => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                 => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                   => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                     => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                       => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                         => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                           => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                             => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                   => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                             => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                               => ( apProp
                                                                                                                                                                                                                                                                                                                                                                 => ( app
                                                                                                                                                                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                          ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                 => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4629]) ).

thf(f4633,plain,
    dsetconstrER = $true,
    inference(imp_proxy_clausification,[],[f4629]) ).

thf(f4635,plain,
    ( $false
    = ( prop2setE
     => ( emptysetE
       => ( emptysetimpfalse
         => ( notinemptyset
           => ( exuE3e
             => ( setext
               => ( emptyI
                 => ( noeltsimpempty
                   => ( setbeta
                     => ( nonemptyE1
                       => ( nonemptyI
                         => ( nonemptyI1
                           => ( setadjoinIL
                             => ( emptyinunitempty
                               => ( setadjoinIR
                                 => ( setadjoinE
                                   => ( setadjoinOr
                                     => ( setoftrueEq
                                       => ( powersetI
                                         => ( emptyinPowerset
                                           => ( emptyInPowerset
                                             => ( powersetE
                                               => ( setunionI
                                                 => ( setunionE
                                                   => ( subPowSU
                                                     => ( exuE2
                                                       => ( nonemptyImpWitness
                                                         => ( uniqinunit
                                                           => ( notinsingleton
                                                             => ( eqinunit
                                                               => ( singletonsswitch
                                                                 => ( upairsetE
                                                                   => ( upairsetIL
                                                                     => ( upairsetIR
                                                                       => ( emptyE1
                                                                         => ( vacuousDall
                                                                           => ( quantDeMorgan1
                                                                             => ( quantDeMorgan2
                                                                               => ( quantDeMorgan3
                                                                                 => ( quantDeMorgan4
                                                                                   => ( prop2setI
                                                                                     => ( prop2set2propI
                                                                                       => ( notdexE
                                                                                         => ( notdallE
                                                                                           => ( exuI1
                                                                                             => ( exuI3
                                                                                               => ( exuI2
                                                                                                 => ( inCongP
                                                                                                   => ( in__Cong
                                                                                                     => ( exuE3u
                                                                                                       => ( exu__Cong
                                                                                                         => ( emptyset__Cong
                                                                                                           => ( setadjoin__Cong
                                                                                                             => ( powerset__Cong
                                                                                                               => ( setunion__Cong
                                                                                                                 => ( omega__Cong
                                                                                                                   => ( exuEu
                                                                                                                     => ( descr__Cong
                                                                                                                       => ( dsetconstr__Cong
                                                                                                                         => ( subsetI1
                                                                                                                           => ( eqimpsubset2
                                                                                                                             => ( eqimpsubset1
                                                                                                                               => ( subsetI2
                                                                                                                                 => ( emptysetsubset
                                                                                                                                   => ( subsetE
                                                                                                                                     => ( subsetE2
                                                                                                                                       => ( notsubsetI
                                                                                                                                         => ( notequalI1
                                                                                                                                           => ( notequalI2
                                                                                                                                             => ( subsetRefl
                                                                                                                                               => ( subsetTrans
                                                                                                                                                 => ( setadjoinSub
                                                                                                                                                   => ( setadjoinSub2
                                                                                                                                                     => ( subset2powerset
                                                                                                                                                       => ( setextsub
                                                                                                                                                         => ( subsetemptysetimpeq
                                                                                                                                                           => ( powersetI1
                                                                                                                                                             => ( powersetE1
                                                                                                                                                               => ( inPowerset
                                                                                                                                                                 => ( powersetsubset
                                                                                                                                                                   => ( sepInPowerset
                                                                                                                                                                     => ( sepSubset
                                                                                                                                                                       => ( binunionIL
                                                                                                                                                                         => ( upairset2IR
                                                                                                                                                                           => ( binunionIR
                                                                                                                                                                             => ( binunionEcases
                                                                                                                                                                               => ( binunionE
                                                                                                                                                                                 => ( binunionLsub
                                                                                                                                                                                   => ( binunionRsub
                                                                                                                                                                                     => ( binintersectI
                                                                                                                                                                                       => ( binintersectSubset5
                                                                                                                                                                                         => ( binintersectEL
                                                                                                                                                                                           => ( binintersectLsub
                                                                                                                                                                                             => ( binintersectSubset2
                                                                                                                                                                                               => ( binintersectSubset3
                                                                                                                                                                                                 => ( binintersectER
                                                                                                                                                                                                   => ( disjointsetsI1
                                                                                                                                                                                                     => ( binintersectRsub
                                                                                                                                                                                                       => ( binintersectSubset4
                                                                                                                                                                                                         => ( binintersectSubset1
                                                                                                                                                                                                           => ( bs114d
                                                                                                                                                                                                             => ( setminusI
                                                                                                                                                                                                               => ( setminusEL
                                                                                                                                                                                                                 => ( setminusER
                                                                                                                                                                                                                   => ( setminusSubset2
                                                                                                                                                                                                                     => ( setminusERneg
                                                                                                                                                                                                                       => ( setminusELneg
                                                                                                                                                                                                                         => ( setminusILneg
                                                                                                                                                                                                                           => ( setminusIRneg
                                                                                                                                                                                                                             => ( setminusLsub
                                                                                                                                                                                                                               => ( setminusSubset1
                                                                                                                                                                                                                                 => ( symdiffE
                                                                                                                                                                                                                                   => ( symdiffI1
                                                                                                                                                                                                                                     => ( symdiffI2
                                                                                                                                                                                                                                       => ( symdiffIneg1
                                                                                                                                                                                                                                         => ( symdiffIneg2
                                                                                                                                                                                                                                           => ( secondinupair
                                                                                                                                                                                                                                             => ( setukpairIL
                                                                                                                                                                                                                                               => ( setukpairIR
                                                                                                                                                                                                                                                 => ( kpairiskpair
                                                                                                                                                                                                                                                   => ( kpairp
                                                                                                                                                                                                                                                     => ( singletonsubset
                                                                                                                                                                                                                                                       => ( singletoninpowerset
                                                                                                                                                                                                                                                         => ( singletoninpowunion
                                                                                                                                                                                                                                                           => ( upairset2E
                                                                                                                                                                                                                                                             => ( upairsubunion
                                                                                                                                                                                                                                                               => ( upairinpowunion
                                                                                                                                                                                                                                                                 => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                   => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                     => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                       => ( cartprodpairin
                                                                                                                                                                                                                                                                         => ( cartprodmempair1
                                                                                                                                                                                                                                                                           => ( cartprodmempair
                                                                                                                                                                                                                                                                             => ( setunionE2
                                                                                                                                                                                                                                                                               => ( setunionsingleton1
                                                                                                                                                                                                                                                                                 => ( setunionsingleton2
                                                                                                                                                                                                                                                                                   => ( setunionsingleton
                                                                                                                                                                                                                                                                                     => ( singletonprop
                                                                                                                                                                                                                                                                                       => ( ex1E1
                                                                                                                                                                                                                                                                                         => ( ex1I
                                                                                                                                                                                                                                                                                           => ( ex1I2
                                                                                                                                                                                                                                                                                             => ( singletonsuniq
                                                                                                                                                                                                                                                                                               => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                 => ( kfstsingleton
                                                                                                                                                                                                                                                                                                   => ( theprop
                                                                                                                                                                                                                                                                                                     => ( kfstpairEq
                                                                                                                                                                                                                                                                                                       => ( cartprodfstin
                                                                                                                                                                                                                                                                                                         => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                           => ( setukpairinjL
                                                                                                                                                                                                                                                                                                             => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                               => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                   => ( upairequniteq
                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                       => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                         => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                           => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                             => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                               => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                 => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                   => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                     => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                       => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                         => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                           => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                           => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                             => ( apProp
                                                                                                                                                                                                                                                                                                                                                               => ( app
                                                                                                                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                        ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                               => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4632]) ).

thf(f4637,plain,
    spl0_398,
    inference(avatar_split_clause,[],[f4633,f3044]) ).

thf(f4638,plain,
    ( $false
    = ( emptysetE
     => ( emptysetimpfalse
       => ( notinemptyset
         => ( exuE3e
           => ( setext
             => ( emptyI
               => ( noeltsimpempty
                 => ( setbeta
                   => ( nonemptyE1
                     => ( nonemptyI
                       => ( nonemptyI1
                         => ( setadjoinIL
                           => ( emptyinunitempty
                             => ( setadjoinIR
                               => ( setadjoinE
                                 => ( setadjoinOr
                                   => ( setoftrueEq
                                     => ( powersetI
                                       => ( emptyinPowerset
                                         => ( emptyInPowerset
                                           => ( powersetE
                                             => ( setunionI
                                               => ( setunionE
                                                 => ( subPowSU
                                                   => ( exuE2
                                                     => ( nonemptyImpWitness
                                                       => ( uniqinunit
                                                         => ( notinsingleton
                                                           => ( eqinunit
                                                             => ( singletonsswitch
                                                               => ( upairsetE
                                                                 => ( upairsetIL
                                                                   => ( upairsetIR
                                                                     => ( emptyE1
                                                                       => ( vacuousDall
                                                                         => ( quantDeMorgan1
                                                                           => ( quantDeMorgan2
                                                                             => ( quantDeMorgan3
                                                                               => ( quantDeMorgan4
                                                                                 => ( prop2setI
                                                                                   => ( prop2set2propI
                                                                                     => ( notdexE
                                                                                       => ( notdallE
                                                                                         => ( exuI1
                                                                                           => ( exuI3
                                                                                             => ( exuI2
                                                                                               => ( inCongP
                                                                                                 => ( in__Cong
                                                                                                   => ( exuE3u
                                                                                                     => ( exu__Cong
                                                                                                       => ( emptyset__Cong
                                                                                                         => ( setadjoin__Cong
                                                                                                           => ( powerset__Cong
                                                                                                             => ( setunion__Cong
                                                                                                               => ( omega__Cong
                                                                                                                 => ( exuEu
                                                                                                                   => ( descr__Cong
                                                                                                                     => ( dsetconstr__Cong
                                                                                                                       => ( subsetI1
                                                                                                                         => ( eqimpsubset2
                                                                                                                           => ( eqimpsubset1
                                                                                                                             => ( subsetI2
                                                                                                                               => ( emptysetsubset
                                                                                                                                 => ( subsetE
                                                                                                                                   => ( subsetE2
                                                                                                                                     => ( notsubsetI
                                                                                                                                       => ( notequalI1
                                                                                                                                         => ( notequalI2
                                                                                                                                           => ( subsetRefl
                                                                                                                                             => ( subsetTrans
                                                                                                                                               => ( setadjoinSub
                                                                                                                                                 => ( setadjoinSub2
                                                                                                                                                   => ( subset2powerset
                                                                                                                                                     => ( setextsub
                                                                                                                                                       => ( subsetemptysetimpeq
                                                                                                                                                         => ( powersetI1
                                                                                                                                                           => ( powersetE1
                                                                                                                                                             => ( inPowerset
                                                                                                                                                               => ( powersetsubset
                                                                                                                                                                 => ( sepInPowerset
                                                                                                                                                                   => ( sepSubset
                                                                                                                                                                     => ( binunionIL
                                                                                                                                                                       => ( upairset2IR
                                                                                                                                                                         => ( binunionIR
                                                                                                                                                                           => ( binunionEcases
                                                                                                                                                                             => ( binunionE
                                                                                                                                                                               => ( binunionLsub
                                                                                                                                                                                 => ( binunionRsub
                                                                                                                                                                                   => ( binintersectI
                                                                                                                                                                                     => ( binintersectSubset5
                                                                                                                                                                                       => ( binintersectEL
                                                                                                                                                                                         => ( binintersectLsub
                                                                                                                                                                                           => ( binintersectSubset2
                                                                                                                                                                                             => ( binintersectSubset3
                                                                                                                                                                                               => ( binintersectER
                                                                                                                                                                                                 => ( disjointsetsI1
                                                                                                                                                                                                   => ( binintersectRsub
                                                                                                                                                                                                     => ( binintersectSubset4
                                                                                                                                                                                                       => ( binintersectSubset1
                                                                                                                                                                                                         => ( bs114d
                                                                                                                                                                                                           => ( setminusI
                                                                                                                                                                                                             => ( setminusEL
                                                                                                                                                                                                               => ( setminusER
                                                                                                                                                                                                                 => ( setminusSubset2
                                                                                                                                                                                                                   => ( setminusERneg
                                                                                                                                                                                                                     => ( setminusELneg
                                                                                                                                                                                                                       => ( setminusILneg
                                                                                                                                                                                                                         => ( setminusIRneg
                                                                                                                                                                                                                           => ( setminusLsub
                                                                                                                                                                                                                             => ( setminusSubset1
                                                                                                                                                                                                                               => ( symdiffE
                                                                                                                                                                                                                                 => ( symdiffI1
                                                                                                                                                                                                                                   => ( symdiffI2
                                                                                                                                                                                                                                     => ( symdiffIneg1
                                                                                                                                                                                                                                       => ( symdiffIneg2
                                                                                                                                                                                                                                         => ( secondinupair
                                                                                                                                                                                                                                           => ( setukpairIL
                                                                                                                                                                                                                                             => ( setukpairIR
                                                                                                                                                                                                                                               => ( kpairiskpair
                                                                                                                                                                                                                                                 => ( kpairp
                                                                                                                                                                                                                                                   => ( singletonsubset
                                                                                                                                                                                                                                                     => ( singletoninpowerset
                                                                                                                                                                                                                                                       => ( singletoninpowunion
                                                                                                                                                                                                                                                         => ( upairset2E
                                                                                                                                                                                                                                                           => ( upairsubunion
                                                                                                                                                                                                                                                             => ( upairinpowunion
                                                                                                                                                                                                                                                               => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                 => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                   => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                     => ( cartprodpairin
                                                                                                                                                                                                                                                                       => ( cartprodmempair1
                                                                                                                                                                                                                                                                         => ( cartprodmempair
                                                                                                                                                                                                                                                                           => ( setunionE2
                                                                                                                                                                                                                                                                             => ( setunionsingleton1
                                                                                                                                                                                                                                                                               => ( setunionsingleton2
                                                                                                                                                                                                                                                                                 => ( setunionsingleton
                                                                                                                                                                                                                                                                                   => ( singletonprop
                                                                                                                                                                                                                                                                                     => ( ex1E1
                                                                                                                                                                                                                                                                                       => ( ex1I
                                                                                                                                                                                                                                                                                         => ( ex1I2
                                                                                                                                                                                                                                                                                           => ( singletonsuniq
                                                                                                                                                                                                                                                                                             => ( setukpairinjL1
                                                                                                                                                                                                                                                                                               => ( kfstsingleton
                                                                                                                                                                                                                                                                                                 => ( theprop
                                                                                                                                                                                                                                                                                                   => ( kfstpairEq
                                                                                                                                                                                                                                                                                                     => ( cartprodfstin
                                                                                                                                                                                                                                                                                                       => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                         => ( setukpairinjL
                                                                                                                                                                                                                                                                                                           => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                             => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                               => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                 => ( upairequniteq
                                                                                                                                                                                                                                                                                                                   => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                       => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                         => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                           => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                             => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                               => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                 => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                   => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                     => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                       => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                         => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                               => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                         => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                           => ( apProp
                                                                                                                                                                                                                                                                                                                                                             => ( app
                                                                                                                                                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                      ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                             => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4635]) ).

thf(f4641,plain,
    ( ( emptysetimpfalse
     => ( notinemptyset
       => ( exuE3e
         => ( setext
           => ( emptyI
             => ( noeltsimpempty
               => ( setbeta
                 => ( nonemptyE1
                   => ( nonemptyI
                     => ( nonemptyI1
                       => ( setadjoinIL
                         => ( emptyinunitempty
                           => ( setadjoinIR
                             => ( setadjoinE
                               => ( setadjoinOr
                                 => ( setoftrueEq
                                   => ( powersetI
                                     => ( emptyinPowerset
                                       => ( emptyInPowerset
                                         => ( powersetE
                                           => ( setunionI
                                             => ( setunionE
                                               => ( subPowSU
                                                 => ( exuE2
                                                   => ( nonemptyImpWitness
                                                     => ( uniqinunit
                                                       => ( notinsingleton
                                                         => ( eqinunit
                                                           => ( singletonsswitch
                                                             => ( upairsetE
                                                               => ( upairsetIL
                                                                 => ( upairsetIR
                                                                   => ( emptyE1
                                                                     => ( vacuousDall
                                                                       => ( quantDeMorgan1
                                                                         => ( quantDeMorgan2
                                                                           => ( quantDeMorgan3
                                                                             => ( quantDeMorgan4
                                                                               => ( prop2setI
                                                                                 => ( prop2set2propI
                                                                                   => ( notdexE
                                                                                     => ( notdallE
                                                                                       => ( exuI1
                                                                                         => ( exuI3
                                                                                           => ( exuI2
                                                                                             => ( inCongP
                                                                                               => ( in__Cong
                                                                                                 => ( exuE3u
                                                                                                   => ( exu__Cong
                                                                                                     => ( emptyset__Cong
                                                                                                       => ( setadjoin__Cong
                                                                                                         => ( powerset__Cong
                                                                                                           => ( setunion__Cong
                                                                                                             => ( omega__Cong
                                                                                                               => ( exuEu
                                                                                                                 => ( descr__Cong
                                                                                                                   => ( dsetconstr__Cong
                                                                                                                     => ( subsetI1
                                                                                                                       => ( eqimpsubset2
                                                                                                                         => ( eqimpsubset1
                                                                                                                           => ( subsetI2
                                                                                                                             => ( emptysetsubset
                                                                                                                               => ( subsetE
                                                                                                                                 => ( subsetE2
                                                                                                                                   => ( notsubsetI
                                                                                                                                     => ( notequalI1
                                                                                                                                       => ( notequalI2
                                                                                                                                         => ( subsetRefl
                                                                                                                                           => ( subsetTrans
                                                                                                                                             => ( setadjoinSub
                                                                                                                                               => ( setadjoinSub2
                                                                                                                                                 => ( subset2powerset
                                                                                                                                                   => ( setextsub
                                                                                                                                                     => ( subsetemptysetimpeq
                                                                                                                                                       => ( powersetI1
                                                                                                                                                         => ( powersetE1
                                                                                                                                                           => ( inPowerset
                                                                                                                                                             => ( powersetsubset
                                                                                                                                                               => ( sepInPowerset
                                                                                                                                                                 => ( sepSubset
                                                                                                                                                                   => ( binunionIL
                                                                                                                                                                     => ( upairset2IR
                                                                                                                                                                       => ( binunionIR
                                                                                                                                                                         => ( binunionEcases
                                                                                                                                                                           => ( binunionE
                                                                                                                                                                             => ( binunionLsub
                                                                                                                                                                               => ( binunionRsub
                                                                                                                                                                                 => ( binintersectI
                                                                                                                                                                                   => ( binintersectSubset5
                                                                                                                                                                                     => ( binintersectEL
                                                                                                                                                                                       => ( binintersectLsub
                                                                                                                                                                                         => ( binintersectSubset2
                                                                                                                                                                                           => ( binintersectSubset3
                                                                                                                                                                                             => ( binintersectER
                                                                                                                                                                                               => ( disjointsetsI1
                                                                                                                                                                                                 => ( binintersectRsub
                                                                                                                                                                                                   => ( binintersectSubset4
                                                                                                                                                                                                     => ( binintersectSubset1
                                                                                                                                                                                                       => ( bs114d
                                                                                                                                                                                                         => ( setminusI
                                                                                                                                                                                                           => ( setminusEL
                                                                                                                                                                                                             => ( setminusER
                                                                                                                                                                                                               => ( setminusSubset2
                                                                                                                                                                                                                 => ( setminusERneg
                                                                                                                                                                                                                   => ( setminusELneg
                                                                                                                                                                                                                     => ( setminusILneg
                                                                                                                                                                                                                       => ( setminusIRneg
                                                                                                                                                                                                                         => ( setminusLsub
                                                                                                                                                                                                                           => ( setminusSubset1
                                                                                                                                                                                                                             => ( symdiffE
                                                                                                                                                                                                                               => ( symdiffI1
                                                                                                                                                                                                                                 => ( symdiffI2
                                                                                                                                                                                                                                   => ( symdiffIneg1
                                                                                                                                                                                                                                     => ( symdiffIneg2
                                                                                                                                                                                                                                       => ( secondinupair
                                                                                                                                                                                                                                         => ( setukpairIL
                                                                                                                                                                                                                                           => ( setukpairIR
                                                                                                                                                                                                                                             => ( kpairiskpair
                                                                                                                                                                                                                                               => ( kpairp
                                                                                                                                                                                                                                                 => ( singletonsubset
                                                                                                                                                                                                                                                   => ( singletoninpowerset
                                                                                                                                                                                                                                                     => ( singletoninpowunion
                                                                                                                                                                                                                                                       => ( upairset2E
                                                                                                                                                                                                                                                         => ( upairsubunion
                                                                                                                                                                                                                                                           => ( upairinpowunion
                                                                                                                                                                                                                                                             => ( ubforcartprodlem1
                                                                                                                                                                                                                                                               => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                 => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                   => ( cartprodpairin
                                                                                                                                                                                                                                                                     => ( cartprodmempair1
                                                                                                                                                                                                                                                                       => ( cartprodmempair
                                                                                                                                                                                                                                                                         => ( setunionE2
                                                                                                                                                                                                                                                                           => ( setunionsingleton1
                                                                                                                                                                                                                                                                             => ( setunionsingleton2
                                                                                                                                                                                                                                                                               => ( setunionsingleton
                                                                                                                                                                                                                                                                                 => ( singletonprop
                                                                                                                                                                                                                                                                                   => ( ex1E1
                                                                                                                                                                                                                                                                                     => ( ex1I
                                                                                                                                                                                                                                                                                       => ( ex1I2
                                                                                                                                                                                                                                                                                         => ( singletonsuniq
                                                                                                                                                                                                                                                                                           => ( setukpairinjL1
                                                                                                                                                                                                                                                                                             => ( kfstsingleton
                                                                                                                                                                                                                                                                                               => ( theprop
                                                                                                                                                                                                                                                                                                 => ( kfstpairEq
                                                                                                                                                                                                                                                                                                   => ( cartprodfstin
                                                                                                                                                                                                                                                                                                     => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                       => ( setukpairinjL
                                                                                                                                                                                                                                                                                                         => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                           => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                             => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                               => ( upairequniteq
                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                   => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                     => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                       => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                         => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                           => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                             => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                               => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                 => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                   => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                     => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                       => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                             => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                       => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                         => ( apProp
                                                                                                                                                                                                                                                                                                                                                           => ( app
                                                                                                                                                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                    ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                           => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4638]) ).

thf(f4645,plain,
    ( $false
    = ( notinemptyset
     => ( exuE3e
       => ( setext
         => ( emptyI
           => ( noeltsimpempty
             => ( setbeta
               => ( nonemptyE1
                 => ( nonemptyI
                   => ( nonemptyI1
                     => ( setadjoinIL
                       => ( emptyinunitempty
                         => ( setadjoinIR
                           => ( setadjoinE
                             => ( setadjoinOr
                               => ( setoftrueEq
                                 => ( powersetI
                                   => ( emptyinPowerset
                                     => ( emptyInPowerset
                                       => ( powersetE
                                         => ( setunionI
                                           => ( setunionE
                                             => ( subPowSU
                                               => ( exuE2
                                                 => ( nonemptyImpWitness
                                                   => ( uniqinunit
                                                     => ( notinsingleton
                                                       => ( eqinunit
                                                         => ( singletonsswitch
                                                           => ( upairsetE
                                                             => ( upairsetIL
                                                               => ( upairsetIR
                                                                 => ( emptyE1
                                                                   => ( vacuousDall
                                                                     => ( quantDeMorgan1
                                                                       => ( quantDeMorgan2
                                                                         => ( quantDeMorgan3
                                                                           => ( quantDeMorgan4
                                                                             => ( prop2setI
                                                                               => ( prop2set2propI
                                                                                 => ( notdexE
                                                                                   => ( notdallE
                                                                                     => ( exuI1
                                                                                       => ( exuI3
                                                                                         => ( exuI2
                                                                                           => ( inCongP
                                                                                             => ( in__Cong
                                                                                               => ( exuE3u
                                                                                                 => ( exu__Cong
                                                                                                   => ( emptyset__Cong
                                                                                                     => ( setadjoin__Cong
                                                                                                       => ( powerset__Cong
                                                                                                         => ( setunion__Cong
                                                                                                           => ( omega__Cong
                                                                                                             => ( exuEu
                                                                                                               => ( descr__Cong
                                                                                                                 => ( dsetconstr__Cong
                                                                                                                   => ( subsetI1
                                                                                                                     => ( eqimpsubset2
                                                                                                                       => ( eqimpsubset1
                                                                                                                         => ( subsetI2
                                                                                                                           => ( emptysetsubset
                                                                                                                             => ( subsetE
                                                                                                                               => ( subsetE2
                                                                                                                                 => ( notsubsetI
                                                                                                                                   => ( notequalI1
                                                                                                                                     => ( notequalI2
                                                                                                                                       => ( subsetRefl
                                                                                                                                         => ( subsetTrans
                                                                                                                                           => ( setadjoinSub
                                                                                                                                             => ( setadjoinSub2
                                                                                                                                               => ( subset2powerset
                                                                                                                                                 => ( setextsub
                                                                                                                                                   => ( subsetemptysetimpeq
                                                                                                                                                     => ( powersetI1
                                                                                                                                                       => ( powersetE1
                                                                                                                                                         => ( inPowerset
                                                                                                                                                           => ( powersetsubset
                                                                                                                                                             => ( sepInPowerset
                                                                                                                                                               => ( sepSubset
                                                                                                                                                                 => ( binunionIL
                                                                                                                                                                   => ( upairset2IR
                                                                                                                                                                     => ( binunionIR
                                                                                                                                                                       => ( binunionEcases
                                                                                                                                                                         => ( binunionE
                                                                                                                                                                           => ( binunionLsub
                                                                                                                                                                             => ( binunionRsub
                                                                                                                                                                               => ( binintersectI
                                                                                                                                                                                 => ( binintersectSubset5
                                                                                                                                                                                   => ( binintersectEL
                                                                                                                                                                                     => ( binintersectLsub
                                                                                                                                                                                       => ( binintersectSubset2
                                                                                                                                                                                         => ( binintersectSubset3
                                                                                                                                                                                           => ( binintersectER
                                                                                                                                                                                             => ( disjointsetsI1
                                                                                                                                                                                               => ( binintersectRsub
                                                                                                                                                                                                 => ( binintersectSubset4
                                                                                                                                                                                                   => ( binintersectSubset1
                                                                                                                                                                                                     => ( bs114d
                                                                                                                                                                                                       => ( setminusI
                                                                                                                                                                                                         => ( setminusEL
                                                                                                                                                                                                           => ( setminusER
                                                                                                                                                                                                             => ( setminusSubset2
                                                                                                                                                                                                               => ( setminusERneg
                                                                                                                                                                                                                 => ( setminusELneg
                                                                                                                                                                                                                   => ( setminusILneg
                                                                                                                                                                                                                     => ( setminusIRneg
                                                                                                                                                                                                                       => ( setminusLsub
                                                                                                                                                                                                                         => ( setminusSubset1
                                                                                                                                                                                                                           => ( symdiffE
                                                                                                                                                                                                                             => ( symdiffI1
                                                                                                                                                                                                                               => ( symdiffI2
                                                                                                                                                                                                                                 => ( symdiffIneg1
                                                                                                                                                                                                                                   => ( symdiffIneg2
                                                                                                                                                                                                                                     => ( secondinupair
                                                                                                                                                                                                                                       => ( setukpairIL
                                                                                                                                                                                                                                         => ( setukpairIR
                                                                                                                                                                                                                                           => ( kpairiskpair
                                                                                                                                                                                                                                             => ( kpairp
                                                                                                                                                                                                                                               => ( singletonsubset
                                                                                                                                                                                                                                                 => ( singletoninpowerset
                                                                                                                                                                                                                                                   => ( singletoninpowunion
                                                                                                                                                                                                                                                     => ( upairset2E
                                                                                                                                                                                                                                                       => ( upairsubunion
                                                                                                                                                                                                                                                         => ( upairinpowunion
                                                                                                                                                                                                                                                           => ( ubforcartprodlem1
                                                                                                                                                                                                                                                             => ( ubforcartprodlem2
                                                                                                                                                                                                                                                               => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                 => ( cartprodpairin
                                                                                                                                                                                                                                                                   => ( cartprodmempair1
                                                                                                                                                                                                                                                                     => ( cartprodmempair
                                                                                                                                                                                                                                                                       => ( setunionE2
                                                                                                                                                                                                                                                                         => ( setunionsingleton1
                                                                                                                                                                                                                                                                           => ( setunionsingleton2
                                                                                                                                                                                                                                                                             => ( setunionsingleton
                                                                                                                                                                                                                                                                               => ( singletonprop
                                                                                                                                                                                                                                                                                 => ( ex1E1
                                                                                                                                                                                                                                                                                   => ( ex1I
                                                                                                                                                                                                                                                                                     => ( ex1I2
                                                                                                                                                                                                                                                                                       => ( singletonsuniq
                                                                                                                                                                                                                                                                                         => ( setukpairinjL1
                                                                                                                                                                                                                                                                                           => ( kfstsingleton
                                                                                                                                                                                                                                                                                             => ( theprop
                                                                                                                                                                                                                                                                                               => ( kfstpairEq
                                                                                                                                                                                                                                                                                                 => ( cartprodfstin
                                                                                                                                                                                                                                                                                                   => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                     => ( setukpairinjL
                                                                                                                                                                                                                                                                                                       => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                         => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                           => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                             => ( upairequniteq
                                                                                                                                                                                                                                                                                                               => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                   => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                     => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                       => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                         => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                           => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                             => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                               => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                 => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                   => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                     => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                           => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                     => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                       => ( apProp
                                                                                                                                                                                                                                                                                                                                                         => ( app
                                                                                                                                                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                  ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                         => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4641]) ).

thf(f4647,plain,
    ( $false
    = ( exuE3e
     => ( setext
       => ( emptyI
         => ( noeltsimpempty
           => ( setbeta
             => ( nonemptyE1
               => ( nonemptyI
                 => ( nonemptyI1
                   => ( setadjoinIL
                     => ( emptyinunitempty
                       => ( setadjoinIR
                         => ( setadjoinE
                           => ( setadjoinOr
                             => ( setoftrueEq
                               => ( powersetI
                                 => ( emptyinPowerset
                                   => ( emptyInPowerset
                                     => ( powersetE
                                       => ( setunionI
                                         => ( setunionE
                                           => ( subPowSU
                                             => ( exuE2
                                               => ( nonemptyImpWitness
                                                 => ( uniqinunit
                                                   => ( notinsingleton
                                                     => ( eqinunit
                                                       => ( singletonsswitch
                                                         => ( upairsetE
                                                           => ( upairsetIL
                                                             => ( upairsetIR
                                                               => ( emptyE1
                                                                 => ( vacuousDall
                                                                   => ( quantDeMorgan1
                                                                     => ( quantDeMorgan2
                                                                       => ( quantDeMorgan3
                                                                         => ( quantDeMorgan4
                                                                           => ( prop2setI
                                                                             => ( prop2set2propI
                                                                               => ( notdexE
                                                                                 => ( notdallE
                                                                                   => ( exuI1
                                                                                     => ( exuI3
                                                                                       => ( exuI2
                                                                                         => ( inCongP
                                                                                           => ( in__Cong
                                                                                             => ( exuE3u
                                                                                               => ( exu__Cong
                                                                                                 => ( emptyset__Cong
                                                                                                   => ( setadjoin__Cong
                                                                                                     => ( powerset__Cong
                                                                                                       => ( setunion__Cong
                                                                                                         => ( omega__Cong
                                                                                                           => ( exuEu
                                                                                                             => ( descr__Cong
                                                                                                               => ( dsetconstr__Cong
                                                                                                                 => ( subsetI1
                                                                                                                   => ( eqimpsubset2
                                                                                                                     => ( eqimpsubset1
                                                                                                                       => ( subsetI2
                                                                                                                         => ( emptysetsubset
                                                                                                                           => ( subsetE
                                                                                                                             => ( subsetE2
                                                                                                                               => ( notsubsetI
                                                                                                                                 => ( notequalI1
                                                                                                                                   => ( notequalI2
                                                                                                                                     => ( subsetRefl
                                                                                                                                       => ( subsetTrans
                                                                                                                                         => ( setadjoinSub
                                                                                                                                           => ( setadjoinSub2
                                                                                                                                             => ( subset2powerset
                                                                                                                                               => ( setextsub
                                                                                                                                                 => ( subsetemptysetimpeq
                                                                                                                                                   => ( powersetI1
                                                                                                                                                     => ( powersetE1
                                                                                                                                                       => ( inPowerset
                                                                                                                                                         => ( powersetsubset
                                                                                                                                                           => ( sepInPowerset
                                                                                                                                                             => ( sepSubset
                                                                                                                                                               => ( binunionIL
                                                                                                                                                                 => ( upairset2IR
                                                                                                                                                                   => ( binunionIR
                                                                                                                                                                     => ( binunionEcases
                                                                                                                                                                       => ( binunionE
                                                                                                                                                                         => ( binunionLsub
                                                                                                                                                                           => ( binunionRsub
                                                                                                                                                                             => ( binintersectI
                                                                                                                                                                               => ( binintersectSubset5
                                                                                                                                                                                 => ( binintersectEL
                                                                                                                                                                                   => ( binintersectLsub
                                                                                                                                                                                     => ( binintersectSubset2
                                                                                                                                                                                       => ( binintersectSubset3
                                                                                                                                                                                         => ( binintersectER
                                                                                                                                                                                           => ( disjointsetsI1
                                                                                                                                                                                             => ( binintersectRsub
                                                                                                                                                                                               => ( binintersectSubset4
                                                                                                                                                                                                 => ( binintersectSubset1
                                                                                                                                                                                                   => ( bs114d
                                                                                                                                                                                                     => ( setminusI
                                                                                                                                                                                                       => ( setminusEL
                                                                                                                                                                                                         => ( setminusER
                                                                                                                                                                                                           => ( setminusSubset2
                                                                                                                                                                                                             => ( setminusERneg
                                                                                                                                                                                                               => ( setminusELneg
                                                                                                                                                                                                                 => ( setminusILneg
                                                                                                                                                                                                                   => ( setminusIRneg
                                                                                                                                                                                                                     => ( setminusLsub
                                                                                                                                                                                                                       => ( setminusSubset1
                                                                                                                                                                                                                         => ( symdiffE
                                                                                                                                                                                                                           => ( symdiffI1
                                                                                                                                                                                                                             => ( symdiffI2
                                                                                                                                                                                                                               => ( symdiffIneg1
                                                                                                                                                                                                                                 => ( symdiffIneg2
                                                                                                                                                                                                                                   => ( secondinupair
                                                                                                                                                                                                                                     => ( setukpairIL
                                                                                                                                                                                                                                       => ( setukpairIR
                                                                                                                                                                                                                                         => ( kpairiskpair
                                                                                                                                                                                                                                           => ( kpairp
                                                                                                                                                                                                                                             => ( singletonsubset
                                                                                                                                                                                                                                               => ( singletoninpowerset
                                                                                                                                                                                                                                                 => ( singletoninpowunion
                                                                                                                                                                                                                                                   => ( upairset2E
                                                                                                                                                                                                                                                     => ( upairsubunion
                                                                                                                                                                                                                                                       => ( upairinpowunion
                                                                                                                                                                                                                                                         => ( ubforcartprodlem1
                                                                                                                                                                                                                                                           => ( ubforcartprodlem2
                                                                                                                                                                                                                                                             => ( ubforcartprodlem3
                                                                                                                                                                                                                                                               => ( cartprodpairin
                                                                                                                                                                                                                                                                 => ( cartprodmempair1
                                                                                                                                                                                                                                                                   => ( cartprodmempair
                                                                                                                                                                                                                                                                     => ( setunionE2
                                                                                                                                                                                                                                                                       => ( setunionsingleton1
                                                                                                                                                                                                                                                                         => ( setunionsingleton2
                                                                                                                                                                                                                                                                           => ( setunionsingleton
                                                                                                                                                                                                                                                                             => ( singletonprop
                                                                                                                                                                                                                                                                               => ( ex1E1
                                                                                                                                                                                                                                                                                 => ( ex1I
                                                                                                                                                                                                                                                                                   => ( ex1I2
                                                                                                                                                                                                                                                                                     => ( singletonsuniq
                                                                                                                                                                                                                                                                                       => ( setukpairinjL1
                                                                                                                                                                                                                                                                                         => ( kfstsingleton
                                                                                                                                                                                                                                                                                           => ( theprop
                                                                                                                                                                                                                                                                                             => ( kfstpairEq
                                                                                                                                                                                                                                                                                               => ( cartprodfstin
                                                                                                                                                                                                                                                                                                 => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                   => ( setukpairinjL
                                                                                                                                                                                                                                                                                                     => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                       => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                         => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                           => ( upairequniteq
                                                                                                                                                                                                                                                                                                             => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                               => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                 => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                   => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                     => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                       => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                         => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                           => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                             => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                               => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                 => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                   => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                         => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                   => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                     => ( apProp
                                                                                                                                                                                                                                                                                                                                                       => ( app
                                                                                                                                                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                       => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4645]) ).

thf(f4650,plain,
    ( ( setext
     => ( emptyI
       => ( noeltsimpempty
         => ( setbeta
           => ( nonemptyE1
             => ( nonemptyI
               => ( nonemptyI1
                 => ( setadjoinIL
                   => ( emptyinunitempty
                     => ( setadjoinIR
                       => ( setadjoinE
                         => ( setadjoinOr
                           => ( setoftrueEq
                             => ( powersetI
                               => ( emptyinPowerset
                                 => ( emptyInPowerset
                                   => ( powersetE
                                     => ( setunionI
                                       => ( setunionE
                                         => ( subPowSU
                                           => ( exuE2
                                             => ( nonemptyImpWitness
                                               => ( uniqinunit
                                                 => ( notinsingleton
                                                   => ( eqinunit
                                                     => ( singletonsswitch
                                                       => ( upairsetE
                                                         => ( upairsetIL
                                                           => ( upairsetIR
                                                             => ( emptyE1
                                                               => ( vacuousDall
                                                                 => ( quantDeMorgan1
                                                                   => ( quantDeMorgan2
                                                                     => ( quantDeMorgan3
                                                                       => ( quantDeMorgan4
                                                                         => ( prop2setI
                                                                           => ( prop2set2propI
                                                                             => ( notdexE
                                                                               => ( notdallE
                                                                                 => ( exuI1
                                                                                   => ( exuI3
                                                                                     => ( exuI2
                                                                                       => ( inCongP
                                                                                         => ( in__Cong
                                                                                           => ( exuE3u
                                                                                             => ( exu__Cong
                                                                                               => ( emptyset__Cong
                                                                                                 => ( setadjoin__Cong
                                                                                                   => ( powerset__Cong
                                                                                                     => ( setunion__Cong
                                                                                                       => ( omega__Cong
                                                                                                         => ( exuEu
                                                                                                           => ( descr__Cong
                                                                                                             => ( dsetconstr__Cong
                                                                                                               => ( subsetI1
                                                                                                                 => ( eqimpsubset2
                                                                                                                   => ( eqimpsubset1
                                                                                                                     => ( subsetI2
                                                                                                                       => ( emptysetsubset
                                                                                                                         => ( subsetE
                                                                                                                           => ( subsetE2
                                                                                                                             => ( notsubsetI
                                                                                                                               => ( notequalI1
                                                                                                                                 => ( notequalI2
                                                                                                                                   => ( subsetRefl
                                                                                                                                     => ( subsetTrans
                                                                                                                                       => ( setadjoinSub
                                                                                                                                         => ( setadjoinSub2
                                                                                                                                           => ( subset2powerset
                                                                                                                                             => ( setextsub
                                                                                                                                               => ( subsetemptysetimpeq
                                                                                                                                                 => ( powersetI1
                                                                                                                                                   => ( powersetE1
                                                                                                                                                     => ( inPowerset
                                                                                                                                                       => ( powersetsubset
                                                                                                                                                         => ( sepInPowerset
                                                                                                                                                           => ( sepSubset
                                                                                                                                                             => ( binunionIL
                                                                                                                                                               => ( upairset2IR
                                                                                                                                                                 => ( binunionIR
                                                                                                                                                                   => ( binunionEcases
                                                                                                                                                                     => ( binunionE
                                                                                                                                                                       => ( binunionLsub
                                                                                                                                                                         => ( binunionRsub
                                                                                                                                                                           => ( binintersectI
                                                                                                                                                                             => ( binintersectSubset5
                                                                                                                                                                               => ( binintersectEL
                                                                                                                                                                                 => ( binintersectLsub
                                                                                                                                                                                   => ( binintersectSubset2
                                                                                                                                                                                     => ( binintersectSubset3
                                                                                                                                                                                       => ( binintersectER
                                                                                                                                                                                         => ( disjointsetsI1
                                                                                                                                                                                           => ( binintersectRsub
                                                                                                                                                                                             => ( binintersectSubset4
                                                                                                                                                                                               => ( binintersectSubset1
                                                                                                                                                                                                 => ( bs114d
                                                                                                                                                                                                   => ( setminusI
                                                                                                                                                                                                     => ( setminusEL
                                                                                                                                                                                                       => ( setminusER
                                                                                                                                                                                                         => ( setminusSubset2
                                                                                                                                                                                                           => ( setminusERneg
                                                                                                                                                                                                             => ( setminusELneg
                                                                                                                                                                                                               => ( setminusILneg
                                                                                                                                                                                                                 => ( setminusIRneg
                                                                                                                                                                                                                   => ( setminusLsub
                                                                                                                                                                                                                     => ( setminusSubset1
                                                                                                                                                                                                                       => ( symdiffE
                                                                                                                                                                                                                         => ( symdiffI1
                                                                                                                                                                                                                           => ( symdiffI2
                                                                                                                                                                                                                             => ( symdiffIneg1
                                                                                                                                                                                                                               => ( symdiffIneg2
                                                                                                                                                                                                                                 => ( secondinupair
                                                                                                                                                                                                                                   => ( setukpairIL
                                                                                                                                                                                                                                     => ( setukpairIR
                                                                                                                                                                                                                                       => ( kpairiskpair
                                                                                                                                                                                                                                         => ( kpairp
                                                                                                                                                                                                                                           => ( singletonsubset
                                                                                                                                                                                                                                             => ( singletoninpowerset
                                                                                                                                                                                                                                               => ( singletoninpowunion
                                                                                                                                                                                                                                                 => ( upairset2E
                                                                                                                                                                                                                                                   => ( upairsubunion
                                                                                                                                                                                                                                                     => ( upairinpowunion
                                                                                                                                                                                                                                                       => ( ubforcartprodlem1
                                                                                                                                                                                                                                                         => ( ubforcartprodlem2
                                                                                                                                                                                                                                                           => ( ubforcartprodlem3
                                                                                                                                                                                                                                                             => ( cartprodpairin
                                                                                                                                                                                                                                                               => ( cartprodmempair1
                                                                                                                                                                                                                                                                 => ( cartprodmempair
                                                                                                                                                                                                                                                                   => ( setunionE2
                                                                                                                                                                                                                                                                     => ( setunionsingleton1
                                                                                                                                                                                                                                                                       => ( setunionsingleton2
                                                                                                                                                                                                                                                                         => ( setunionsingleton
                                                                                                                                                                                                                                                                           => ( singletonprop
                                                                                                                                                                                                                                                                             => ( ex1E1
                                                                                                                                                                                                                                                                               => ( ex1I
                                                                                                                                                                                                                                                                                 => ( ex1I2
                                                                                                                                                                                                                                                                                   => ( singletonsuniq
                                                                                                                                                                                                                                                                                     => ( setukpairinjL1
                                                                                                                                                                                                                                                                                       => ( kfstsingleton
                                                                                                                                                                                                                                                                                         => ( theprop
                                                                                                                                                                                                                                                                                           => ( kfstpairEq
                                                                                                                                                                                                                                                                                             => ( cartprodfstin
                                                                                                                                                                                                                                                                                               => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                 => ( setukpairinjL
                                                                                                                                                                                                                                                                                                   => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                     => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                       => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                         => ( upairequniteq
                                                                                                                                                                                                                                                                                                           => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                             => ( setukpairinjR
                                                                                                                                                                                                                                                                                                               => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                 => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                   => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                     => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                       => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                         => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                           => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                             => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                               => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                 => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                       => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                 => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                   => ( apProp
                                                                                                                                                                                                                                                                                                                                                     => ( app
                                                                                                                                                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                              ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                     => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4647]) ).

thf(f4653,plain,
    ( ( emptyI
     => ( noeltsimpempty
       => ( setbeta
         => ( nonemptyE1
           => ( nonemptyI
             => ( nonemptyI1
               => ( setadjoinIL
                 => ( emptyinunitempty
                   => ( setadjoinIR
                     => ( setadjoinE
                       => ( setadjoinOr
                         => ( setoftrueEq
                           => ( powersetI
                             => ( emptyinPowerset
                               => ( emptyInPowerset
                                 => ( powersetE
                                   => ( setunionI
                                     => ( setunionE
                                       => ( subPowSU
                                         => ( exuE2
                                           => ( nonemptyImpWitness
                                             => ( uniqinunit
                                               => ( notinsingleton
                                                 => ( eqinunit
                                                   => ( singletonsswitch
                                                     => ( upairsetE
                                                       => ( upairsetIL
                                                         => ( upairsetIR
                                                           => ( emptyE1
                                                             => ( vacuousDall
                                                               => ( quantDeMorgan1
                                                                 => ( quantDeMorgan2
                                                                   => ( quantDeMorgan3
                                                                     => ( quantDeMorgan4
                                                                       => ( prop2setI
                                                                         => ( prop2set2propI
                                                                           => ( notdexE
                                                                             => ( notdallE
                                                                               => ( exuI1
                                                                                 => ( exuI3
                                                                                   => ( exuI2
                                                                                     => ( inCongP
                                                                                       => ( in__Cong
                                                                                         => ( exuE3u
                                                                                           => ( exu__Cong
                                                                                             => ( emptyset__Cong
                                                                                               => ( setadjoin__Cong
                                                                                                 => ( powerset__Cong
                                                                                                   => ( setunion__Cong
                                                                                                     => ( omega__Cong
                                                                                                       => ( exuEu
                                                                                                         => ( descr__Cong
                                                                                                           => ( dsetconstr__Cong
                                                                                                             => ( subsetI1
                                                                                                               => ( eqimpsubset2
                                                                                                                 => ( eqimpsubset1
                                                                                                                   => ( subsetI2
                                                                                                                     => ( emptysetsubset
                                                                                                                       => ( subsetE
                                                                                                                         => ( subsetE2
                                                                                                                           => ( notsubsetI
                                                                                                                             => ( notequalI1
                                                                                                                               => ( notequalI2
                                                                                                                                 => ( subsetRefl
                                                                                                                                   => ( subsetTrans
                                                                                                                                     => ( setadjoinSub
                                                                                                                                       => ( setadjoinSub2
                                                                                                                                         => ( subset2powerset
                                                                                                                                           => ( setextsub
                                                                                                                                             => ( subsetemptysetimpeq
                                                                                                                                               => ( powersetI1
                                                                                                                                                 => ( powersetE1
                                                                                                                                                   => ( inPowerset
                                                                                                                                                     => ( powersetsubset
                                                                                                                                                       => ( sepInPowerset
                                                                                                                                                         => ( sepSubset
                                                                                                                                                           => ( binunionIL
                                                                                                                                                             => ( upairset2IR
                                                                                                                                                               => ( binunionIR
                                                                                                                                                                 => ( binunionEcases
                                                                                                                                                                   => ( binunionE
                                                                                                                                                                     => ( binunionLsub
                                                                                                                                                                       => ( binunionRsub
                                                                                                                                                                         => ( binintersectI
                                                                                                                                                                           => ( binintersectSubset5
                                                                                                                                                                             => ( binintersectEL
                                                                                                                                                                               => ( binintersectLsub
                                                                                                                                                                                 => ( binintersectSubset2
                                                                                                                                                                                   => ( binintersectSubset3
                                                                                                                                                                                     => ( binintersectER
                                                                                                                                                                                       => ( disjointsetsI1
                                                                                                                                                                                         => ( binintersectRsub
                                                                                                                                                                                           => ( binintersectSubset4
                                                                                                                                                                                             => ( binintersectSubset1
                                                                                                                                                                                               => ( bs114d
                                                                                                                                                                                                 => ( setminusI
                                                                                                                                                                                                   => ( setminusEL
                                                                                                                                                                                                     => ( setminusER
                                                                                                                                                                                                       => ( setminusSubset2
                                                                                                                                                                                                         => ( setminusERneg
                                                                                                                                                                                                           => ( setminusELneg
                                                                                                                                                                                                             => ( setminusILneg
                                                                                                                                                                                                               => ( setminusIRneg
                                                                                                                                                                                                                 => ( setminusLsub
                                                                                                                                                                                                                   => ( setminusSubset1
                                                                                                                                                                                                                     => ( symdiffE
                                                                                                                                                                                                                       => ( symdiffI1
                                                                                                                                                                                                                         => ( symdiffI2
                                                                                                                                                                                                                           => ( symdiffIneg1
                                                                                                                                                                                                                             => ( symdiffIneg2
                                                                                                                                                                                                                               => ( secondinupair
                                                                                                                                                                                                                                 => ( setukpairIL
                                                                                                                                                                                                                                   => ( setukpairIR
                                                                                                                                                                                                                                     => ( kpairiskpair
                                                                                                                                                                                                                                       => ( kpairp
                                                                                                                                                                                                                                         => ( singletonsubset
                                                                                                                                                                                                                                           => ( singletoninpowerset
                                                                                                                                                                                                                                             => ( singletoninpowunion
                                                                                                                                                                                                                                               => ( upairset2E
                                                                                                                                                                                                                                                 => ( upairsubunion
                                                                                                                                                                                                                                                   => ( upairinpowunion
                                                                                                                                                                                                                                                     => ( ubforcartprodlem1
                                                                                                                                                                                                                                                       => ( ubforcartprodlem2
                                                                                                                                                                                                                                                         => ( ubforcartprodlem3
                                                                                                                                                                                                                                                           => ( cartprodpairin
                                                                                                                                                                                                                                                             => ( cartprodmempair1
                                                                                                                                                                                                                                                               => ( cartprodmempair
                                                                                                                                                                                                                                                                 => ( setunionE2
                                                                                                                                                                                                                                                                   => ( setunionsingleton1
                                                                                                                                                                                                                                                                     => ( setunionsingleton2
                                                                                                                                                                                                                                                                       => ( setunionsingleton
                                                                                                                                                                                                                                                                         => ( singletonprop
                                                                                                                                                                                                                                                                           => ( ex1E1
                                                                                                                                                                                                                                                                             => ( ex1I
                                                                                                                                                                                                                                                                               => ( ex1I2
                                                                                                                                                                                                                                                                                 => ( singletonsuniq
                                                                                                                                                                                                                                                                                   => ( setukpairinjL1
                                                                                                                                                                                                                                                                                     => ( kfstsingleton
                                                                                                                                                                                                                                                                                       => ( theprop
                                                                                                                                                                                                                                                                                         => ( kfstpairEq
                                                                                                                                                                                                                                                                                           => ( cartprodfstin
                                                                                                                                                                                                                                                                                             => ( setukpairinjL2
                                                                                                                                                                                                                                                                                               => ( setukpairinjL
                                                                                                                                                                                                                                                                                                 => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                   => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                     => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                       => ( upairequniteq
                                                                                                                                                                                                                                                                                                         => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                           => ( setukpairinjR
                                                                                                                                                                                                                                                                                                             => ( ksndsingleton
                                                                                                                                                                                                                                                                                                               => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                 => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                   => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                     => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                       => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                         => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                           => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                             => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                 => ( apProp
                                                                                                                                                                                                                                                                                                                                                   => ( app
                                                                                                                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                            ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                   => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4650]) ).

thf(f4656,plain,
    ( ( noeltsimpempty
     => ( setbeta
       => ( nonemptyE1
         => ( nonemptyI
           => ( nonemptyI1
             => ( setadjoinIL
               => ( emptyinunitempty
                 => ( setadjoinIR
                   => ( setadjoinE
                     => ( setadjoinOr
                       => ( setoftrueEq
                         => ( powersetI
                           => ( emptyinPowerset
                             => ( emptyInPowerset
                               => ( powersetE
                                 => ( setunionI
                                   => ( setunionE
                                     => ( subPowSU
                                       => ( exuE2
                                         => ( nonemptyImpWitness
                                           => ( uniqinunit
                                             => ( notinsingleton
                                               => ( eqinunit
                                                 => ( singletonsswitch
                                                   => ( upairsetE
                                                     => ( upairsetIL
                                                       => ( upairsetIR
                                                         => ( emptyE1
                                                           => ( vacuousDall
                                                             => ( quantDeMorgan1
                                                               => ( quantDeMorgan2
                                                                 => ( quantDeMorgan3
                                                                   => ( quantDeMorgan4
                                                                     => ( prop2setI
                                                                       => ( prop2set2propI
                                                                         => ( notdexE
                                                                           => ( notdallE
                                                                             => ( exuI1
                                                                               => ( exuI3
                                                                                 => ( exuI2
                                                                                   => ( inCongP
                                                                                     => ( in__Cong
                                                                                       => ( exuE3u
                                                                                         => ( exu__Cong
                                                                                           => ( emptyset__Cong
                                                                                             => ( setadjoin__Cong
                                                                                               => ( powerset__Cong
                                                                                                 => ( setunion__Cong
                                                                                                   => ( omega__Cong
                                                                                                     => ( exuEu
                                                                                                       => ( descr__Cong
                                                                                                         => ( dsetconstr__Cong
                                                                                                           => ( subsetI1
                                                                                                             => ( eqimpsubset2
                                                                                                               => ( eqimpsubset1
                                                                                                                 => ( subsetI2
                                                                                                                   => ( emptysetsubset
                                                                                                                     => ( subsetE
                                                                                                                       => ( subsetE2
                                                                                                                         => ( notsubsetI
                                                                                                                           => ( notequalI1
                                                                                                                             => ( notequalI2
                                                                                                                               => ( subsetRefl
                                                                                                                                 => ( subsetTrans
                                                                                                                                   => ( setadjoinSub
                                                                                                                                     => ( setadjoinSub2
                                                                                                                                       => ( subset2powerset
                                                                                                                                         => ( setextsub
                                                                                                                                           => ( subsetemptysetimpeq
                                                                                                                                             => ( powersetI1
                                                                                                                                               => ( powersetE1
                                                                                                                                                 => ( inPowerset
                                                                                                                                                   => ( powersetsubset
                                                                                                                                                     => ( sepInPowerset
                                                                                                                                                       => ( sepSubset
                                                                                                                                                         => ( binunionIL
                                                                                                                                                           => ( upairset2IR
                                                                                                                                                             => ( binunionIR
                                                                                                                                                               => ( binunionEcases
                                                                                                                                                                 => ( binunionE
                                                                                                                                                                   => ( binunionLsub
                                                                                                                                                                     => ( binunionRsub
                                                                                                                                                                       => ( binintersectI
                                                                                                                                                                         => ( binintersectSubset5
                                                                                                                                                                           => ( binintersectEL
                                                                                                                                                                             => ( binintersectLsub
                                                                                                                                                                               => ( binintersectSubset2
                                                                                                                                                                                 => ( binintersectSubset3
                                                                                                                                                                                   => ( binintersectER
                                                                                                                                                                                     => ( disjointsetsI1
                                                                                                                                                                                       => ( binintersectRsub
                                                                                                                                                                                         => ( binintersectSubset4
                                                                                                                                                                                           => ( binintersectSubset1
                                                                                                                                                                                             => ( bs114d
                                                                                                                                                                                               => ( setminusI
                                                                                                                                                                                                 => ( setminusEL
                                                                                                                                                                                                   => ( setminusER
                                                                                                                                                                                                     => ( setminusSubset2
                                                                                                                                                                                                       => ( setminusERneg
                                                                                                                                                                                                         => ( setminusELneg
                                                                                                                                                                                                           => ( setminusILneg
                                                                                                                                                                                                             => ( setminusIRneg
                                                                                                                                                                                                               => ( setminusLsub
                                                                                                                                                                                                                 => ( setminusSubset1
                                                                                                                                                                                                                   => ( symdiffE
                                                                                                                                                                                                                     => ( symdiffI1
                                                                                                                                                                                                                       => ( symdiffI2
                                                                                                                                                                                                                         => ( symdiffIneg1
                                                                                                                                                                                                                           => ( symdiffIneg2
                                                                                                                                                                                                                             => ( secondinupair
                                                                                                                                                                                                                               => ( setukpairIL
                                                                                                                                                                                                                                 => ( setukpairIR
                                                                                                                                                                                                                                   => ( kpairiskpair
                                                                                                                                                                                                                                     => ( kpairp
                                                                                                                                                                                                                                       => ( singletonsubset
                                                                                                                                                                                                                                         => ( singletoninpowerset
                                                                                                                                                                                                                                           => ( singletoninpowunion
                                                                                                                                                                                                                                             => ( upairset2E
                                                                                                                                                                                                                                               => ( upairsubunion
                                                                                                                                                                                                                                                 => ( upairinpowunion
                                                                                                                                                                                                                                                   => ( ubforcartprodlem1
                                                                                                                                                                                                                                                     => ( ubforcartprodlem2
                                                                                                                                                                                                                                                       => ( ubforcartprodlem3
                                                                                                                                                                                                                                                         => ( cartprodpairin
                                                                                                                                                                                                                                                           => ( cartprodmempair1
                                                                                                                                                                                                                                                             => ( cartprodmempair
                                                                                                                                                                                                                                                               => ( setunionE2
                                                                                                                                                                                                                                                                 => ( setunionsingleton1
                                                                                                                                                                                                                                                                   => ( setunionsingleton2
                                                                                                                                                                                                                                                                     => ( setunionsingleton
                                                                                                                                                                                                                                                                       => ( singletonprop
                                                                                                                                                                                                                                                                         => ( ex1E1
                                                                                                                                                                                                                                                                           => ( ex1I
                                                                                                                                                                                                                                                                             => ( ex1I2
                                                                                                                                                                                                                                                                               => ( singletonsuniq
                                                                                                                                                                                                                                                                                 => ( setukpairinjL1
                                                                                                                                                                                                                                                                                   => ( kfstsingleton
                                                                                                                                                                                                                                                                                     => ( theprop
                                                                                                                                                                                                                                                                                       => ( kfstpairEq
                                                                                                                                                                                                                                                                                         => ( cartprodfstin
                                                                                                                                                                                                                                                                                           => ( setukpairinjL2
                                                                                                                                                                                                                                                                                             => ( setukpairinjL
                                                                                                                                                                                                                                                                                               => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                 => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                   => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                     => ( upairequniteq
                                                                                                                                                                                                                                                                                                       => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                         => ( setukpairinjR
                                                                                                                                                                                                                                                                                                           => ( ksndsingleton
                                                                                                                                                                                                                                                                                                             => ( ksndpairEq
                                                                                                                                                                                                                                                                                                               => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                 => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                   => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                     => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                       => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                         => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                           => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                             => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                   => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                             => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                               => ( apProp
                                                                                                                                                                                                                                                                                                                                                 => ( app
                                                                                                                                                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                          ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                 => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4653]) ).

thf(f4660,plain,
    ( ( setbeta
     => ( nonemptyE1
       => ( nonemptyI
         => ( nonemptyI1
           => ( setadjoinIL
             => ( emptyinunitempty
               => ( setadjoinIR
                 => ( setadjoinE
                   => ( setadjoinOr
                     => ( setoftrueEq
                       => ( powersetI
                         => ( emptyinPowerset
                           => ( emptyInPowerset
                             => ( powersetE
                               => ( setunionI
                                 => ( setunionE
                                   => ( subPowSU
                                     => ( exuE2
                                       => ( nonemptyImpWitness
                                         => ( uniqinunit
                                           => ( notinsingleton
                                             => ( eqinunit
                                               => ( singletonsswitch
                                                 => ( upairsetE
                                                   => ( upairsetIL
                                                     => ( upairsetIR
                                                       => ( emptyE1
                                                         => ( vacuousDall
                                                           => ( quantDeMorgan1
                                                             => ( quantDeMorgan2
                                                               => ( quantDeMorgan3
                                                                 => ( quantDeMorgan4
                                                                   => ( prop2setI
                                                                     => ( prop2set2propI
                                                                       => ( notdexE
                                                                         => ( notdallE
                                                                           => ( exuI1
                                                                             => ( exuI3
                                                                               => ( exuI2
                                                                                 => ( inCongP
                                                                                   => ( in__Cong
                                                                                     => ( exuE3u
                                                                                       => ( exu__Cong
                                                                                         => ( emptyset__Cong
                                                                                           => ( setadjoin__Cong
                                                                                             => ( powerset__Cong
                                                                                               => ( setunion__Cong
                                                                                                 => ( omega__Cong
                                                                                                   => ( exuEu
                                                                                                     => ( descr__Cong
                                                                                                       => ( dsetconstr__Cong
                                                                                                         => ( subsetI1
                                                                                                           => ( eqimpsubset2
                                                                                                             => ( eqimpsubset1
                                                                                                               => ( subsetI2
                                                                                                                 => ( emptysetsubset
                                                                                                                   => ( subsetE
                                                                                                                     => ( subsetE2
                                                                                                                       => ( notsubsetI
                                                                                                                         => ( notequalI1
                                                                                                                           => ( notequalI2
                                                                                                                             => ( subsetRefl
                                                                                                                               => ( subsetTrans
                                                                                                                                 => ( setadjoinSub
                                                                                                                                   => ( setadjoinSub2
                                                                                                                                     => ( subset2powerset
                                                                                                                                       => ( setextsub
                                                                                                                                         => ( subsetemptysetimpeq
                                                                                                                                           => ( powersetI1
                                                                                                                                             => ( powersetE1
                                                                                                                                               => ( inPowerset
                                                                                                                                                 => ( powersetsubset
                                                                                                                                                   => ( sepInPowerset
                                                                                                                                                     => ( sepSubset
                                                                                                                                                       => ( binunionIL
                                                                                                                                                         => ( upairset2IR
                                                                                                                                                           => ( binunionIR
                                                                                                                                                             => ( binunionEcases
                                                                                                                                                               => ( binunionE
                                                                                                                                                                 => ( binunionLsub
                                                                                                                                                                   => ( binunionRsub
                                                                                                                                                                     => ( binintersectI
                                                                                                                                                                       => ( binintersectSubset5
                                                                                                                                                                         => ( binintersectEL
                                                                                                                                                                           => ( binintersectLsub
                                                                                                                                                                             => ( binintersectSubset2
                                                                                                                                                                               => ( binintersectSubset3
                                                                                                                                                                                 => ( binintersectER
                                                                                                                                                                                   => ( disjointsetsI1
                                                                                                                                                                                     => ( binintersectRsub
                                                                                                                                                                                       => ( binintersectSubset4
                                                                                                                                                                                         => ( binintersectSubset1
                                                                                                                                                                                           => ( bs114d
                                                                                                                                                                                             => ( setminusI
                                                                                                                                                                                               => ( setminusEL
                                                                                                                                                                                                 => ( setminusER
                                                                                                                                                                                                   => ( setminusSubset2
                                                                                                                                                                                                     => ( setminusERneg
                                                                                                                                                                                                       => ( setminusELneg
                                                                                                                                                                                                         => ( setminusILneg
                                                                                                                                                                                                           => ( setminusIRneg
                                                                                                                                                                                                             => ( setminusLsub
                                                                                                                                                                                                               => ( setminusSubset1
                                                                                                                                                                                                                 => ( symdiffE
                                                                                                                                                                                                                   => ( symdiffI1
                                                                                                                                                                                                                     => ( symdiffI2
                                                                                                                                                                                                                       => ( symdiffIneg1
                                                                                                                                                                                                                         => ( symdiffIneg2
                                                                                                                                                                                                                           => ( secondinupair
                                                                                                                                                                                                                             => ( setukpairIL
                                                                                                                                                                                                                               => ( setukpairIR
                                                                                                                                                                                                                                 => ( kpairiskpair
                                                                                                                                                                                                                                   => ( kpairp
                                                                                                                                                                                                                                     => ( singletonsubset
                                                                                                                                                                                                                                       => ( singletoninpowerset
                                                                                                                                                                                                                                         => ( singletoninpowunion
                                                                                                                                                                                                                                           => ( upairset2E
                                                                                                                                                                                                                                             => ( upairsubunion
                                                                                                                                                                                                                                               => ( upairinpowunion
                                                                                                                                                                                                                                                 => ( ubforcartprodlem1
                                                                                                                                                                                                                                                   => ( ubforcartprodlem2
                                                                                                                                                                                                                                                     => ( ubforcartprodlem3
                                                                                                                                                                                                                                                       => ( cartprodpairin
                                                                                                                                                                                                                                                         => ( cartprodmempair1
                                                                                                                                                                                                                                                           => ( cartprodmempair
                                                                                                                                                                                                                                                             => ( setunionE2
                                                                                                                                                                                                                                                               => ( setunionsingleton1
                                                                                                                                                                                                                                                                 => ( setunionsingleton2
                                                                                                                                                                                                                                                                   => ( setunionsingleton
                                                                                                                                                                                                                                                                     => ( singletonprop
                                                                                                                                                                                                                                                                       => ( ex1E1
                                                                                                                                                                                                                                                                         => ( ex1I
                                                                                                                                                                                                                                                                           => ( ex1I2
                                                                                                                                                                                                                                                                             => ( singletonsuniq
                                                                                                                                                                                                                                                                               => ( setukpairinjL1
                                                                                                                                                                                                                                                                                 => ( kfstsingleton
                                                                                                                                                                                                                                                                                   => ( theprop
                                                                                                                                                                                                                                                                                     => ( kfstpairEq
                                                                                                                                                                                                                                                                                       => ( cartprodfstin
                                                                                                                                                                                                                                                                                         => ( setukpairinjL2
                                                                                                                                                                                                                                                                                           => ( setukpairinjL
                                                                                                                                                                                                                                                                                             => ( setukpairinjR11
                                                                                                                                                                                                                                                                                               => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                 => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                   => ( upairequniteq
                                                                                                                                                                                                                                                                                                     => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                       => ( setukpairinjR
                                                                                                                                                                                                                                                                                                         => ( ksndsingleton
                                                                                                                                                                                                                                                                                                           => ( ksndpairEq
                                                                                                                                                                                                                                                                                                             => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                               => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                 => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                   => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                     => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                       => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                         => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                           => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                           => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                             => ( apProp
                                                                                                                                                                                                                                                                                                                                               => ( app
                                                                                                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                               => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4656]) ).

thf(f4663,plain,
    ( $false
    = ( nonemptyE1
     => ( nonemptyI
       => ( nonemptyI1
         => ( setadjoinIL
           => ( emptyinunitempty
             => ( setadjoinIR
               => ( setadjoinE
                 => ( setadjoinOr
                   => ( setoftrueEq
                     => ( powersetI
                       => ( emptyinPowerset
                         => ( emptyInPowerset
                           => ( powersetE
                             => ( setunionI
                               => ( setunionE
                                 => ( subPowSU
                                   => ( exuE2
                                     => ( nonemptyImpWitness
                                       => ( uniqinunit
                                         => ( notinsingleton
                                           => ( eqinunit
                                             => ( singletonsswitch
                                               => ( upairsetE
                                                 => ( upairsetIL
                                                   => ( upairsetIR
                                                     => ( emptyE1
                                                       => ( vacuousDall
                                                         => ( quantDeMorgan1
                                                           => ( quantDeMorgan2
                                                             => ( quantDeMorgan3
                                                               => ( quantDeMorgan4
                                                                 => ( prop2setI
                                                                   => ( prop2set2propI
                                                                     => ( notdexE
                                                                       => ( notdallE
                                                                         => ( exuI1
                                                                           => ( exuI3
                                                                             => ( exuI2
                                                                               => ( inCongP
                                                                                 => ( in__Cong
                                                                                   => ( exuE3u
                                                                                     => ( exu__Cong
                                                                                       => ( emptyset__Cong
                                                                                         => ( setadjoin__Cong
                                                                                           => ( powerset__Cong
                                                                                             => ( setunion__Cong
                                                                                               => ( omega__Cong
                                                                                                 => ( exuEu
                                                                                                   => ( descr__Cong
                                                                                                     => ( dsetconstr__Cong
                                                                                                       => ( subsetI1
                                                                                                         => ( eqimpsubset2
                                                                                                           => ( eqimpsubset1
                                                                                                             => ( subsetI2
                                                                                                               => ( emptysetsubset
                                                                                                                 => ( subsetE
                                                                                                                   => ( subsetE2
                                                                                                                     => ( notsubsetI
                                                                                                                       => ( notequalI1
                                                                                                                         => ( notequalI2
                                                                                                                           => ( subsetRefl
                                                                                                                             => ( subsetTrans
                                                                                                                               => ( setadjoinSub
                                                                                                                                 => ( setadjoinSub2
                                                                                                                                   => ( subset2powerset
                                                                                                                                     => ( setextsub
                                                                                                                                       => ( subsetemptysetimpeq
                                                                                                                                         => ( powersetI1
                                                                                                                                           => ( powersetE1
                                                                                                                                             => ( inPowerset
                                                                                                                                               => ( powersetsubset
                                                                                                                                                 => ( sepInPowerset
                                                                                                                                                   => ( sepSubset
                                                                                                                                                     => ( binunionIL
                                                                                                                                                       => ( upairset2IR
                                                                                                                                                         => ( binunionIR
                                                                                                                                                           => ( binunionEcases
                                                                                                                                                             => ( binunionE
                                                                                                                                                               => ( binunionLsub
                                                                                                                                                                 => ( binunionRsub
                                                                                                                                                                   => ( binintersectI
                                                                                                                                                                     => ( binintersectSubset5
                                                                                                                                                                       => ( binintersectEL
                                                                                                                                                                         => ( binintersectLsub
                                                                                                                                                                           => ( binintersectSubset2
                                                                                                                                                                             => ( binintersectSubset3
                                                                                                                                                                               => ( binintersectER
                                                                                                                                                                                 => ( disjointsetsI1
                                                                                                                                                                                   => ( binintersectRsub
                                                                                                                                                                                     => ( binintersectSubset4
                                                                                                                                                                                       => ( binintersectSubset1
                                                                                                                                                                                         => ( bs114d
                                                                                                                                                                                           => ( setminusI
                                                                                                                                                                                             => ( setminusEL
                                                                                                                                                                                               => ( setminusER
                                                                                                                                                                                                 => ( setminusSubset2
                                                                                                                                                                                                   => ( setminusERneg
                                                                                                                                                                                                     => ( setminusELneg
                                                                                                                                                                                                       => ( setminusILneg
                                                                                                                                                                                                         => ( setminusIRneg
                                                                                                                                                                                                           => ( setminusLsub
                                                                                                                                                                                                             => ( setminusSubset1
                                                                                                                                                                                                               => ( symdiffE
                                                                                                                                                                                                                 => ( symdiffI1
                                                                                                                                                                                                                   => ( symdiffI2
                                                                                                                                                                                                                     => ( symdiffIneg1
                                                                                                                                                                                                                       => ( symdiffIneg2
                                                                                                                                                                                                                         => ( secondinupair
                                                                                                                                                                                                                           => ( setukpairIL
                                                                                                                                                                                                                             => ( setukpairIR
                                                                                                                                                                                                                               => ( kpairiskpair
                                                                                                                                                                                                                                 => ( kpairp
                                                                                                                                                                                                                                   => ( singletonsubset
                                                                                                                                                                                                                                     => ( singletoninpowerset
                                                                                                                                                                                                                                       => ( singletoninpowunion
                                                                                                                                                                                                                                         => ( upairset2E
                                                                                                                                                                                                                                           => ( upairsubunion
                                                                                                                                                                                                                                             => ( upairinpowunion
                                                                                                                                                                                                                                               => ( ubforcartprodlem1
                                                                                                                                                                                                                                                 => ( ubforcartprodlem2
                                                                                                                                                                                                                                                   => ( ubforcartprodlem3
                                                                                                                                                                                                                                                     => ( cartprodpairin
                                                                                                                                                                                                                                                       => ( cartprodmempair1
                                                                                                                                                                                                                                                         => ( cartprodmempair
                                                                                                                                                                                                                                                           => ( setunionE2
                                                                                                                                                                                                                                                             => ( setunionsingleton1
                                                                                                                                                                                                                                                               => ( setunionsingleton2
                                                                                                                                                                                                                                                                 => ( setunionsingleton
                                                                                                                                                                                                                                                                   => ( singletonprop
                                                                                                                                                                                                                                                                     => ( ex1E1
                                                                                                                                                                                                                                                                       => ( ex1I
                                                                                                                                                                                                                                                                         => ( ex1I2
                                                                                                                                                                                                                                                                           => ( singletonsuniq
                                                                                                                                                                                                                                                                             => ( setukpairinjL1
                                                                                                                                                                                                                                                                               => ( kfstsingleton
                                                                                                                                                                                                                                                                                 => ( theprop
                                                                                                                                                                                                                                                                                   => ( kfstpairEq
                                                                                                                                                                                                                                                                                     => ( cartprodfstin
                                                                                                                                                                                                                                                                                       => ( setukpairinjL2
                                                                                                                                                                                                                                                                                         => ( setukpairinjL
                                                                                                                                                                                                                                                                                           => ( setukpairinjR11
                                                                                                                                                                                                                                                                                             => ( setukpairinjR12
                                                                                                                                                                                                                                                                                               => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                 => ( upairequniteq
                                                                                                                                                                                                                                                                                                   => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                     => ( setukpairinjR
                                                                                                                                                                                                                                                                                                       => ( ksndsingleton
                                                                                                                                                                                                                                                                                                         => ( ksndpairEq
                                                                                                                                                                                                                                                                                                           => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                             => ( cartprodsndin
                                                                                                                                                                                                                                                                                                               => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                 => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                   => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                     => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                       => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                         => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                               => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                         => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                           => ( apProp
                                                                                                                                                                                                                                                                                                                                             => ( app
                                                                                                                                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                      ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                             => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4660]) ).

thf(f4665,plain,
    ( ( nonemptyI
     => ( nonemptyI1
       => ( setadjoinIL
         => ( emptyinunitempty
           => ( setadjoinIR
             => ( setadjoinE
               => ( setadjoinOr
                 => ( setoftrueEq
                   => ( powersetI
                     => ( emptyinPowerset
                       => ( emptyInPowerset
                         => ( powersetE
                           => ( setunionI
                             => ( setunionE
                               => ( subPowSU
                                 => ( exuE2
                                   => ( nonemptyImpWitness
                                     => ( uniqinunit
                                       => ( notinsingleton
                                         => ( eqinunit
                                           => ( singletonsswitch
                                             => ( upairsetE
                                               => ( upairsetIL
                                                 => ( upairsetIR
                                                   => ( emptyE1
                                                     => ( vacuousDall
                                                       => ( quantDeMorgan1
                                                         => ( quantDeMorgan2
                                                           => ( quantDeMorgan3
                                                             => ( quantDeMorgan4
                                                               => ( prop2setI
                                                                 => ( prop2set2propI
                                                                   => ( notdexE
                                                                     => ( notdallE
                                                                       => ( exuI1
                                                                         => ( exuI3
                                                                           => ( exuI2
                                                                             => ( inCongP
                                                                               => ( in__Cong
                                                                                 => ( exuE3u
                                                                                   => ( exu__Cong
                                                                                     => ( emptyset__Cong
                                                                                       => ( setadjoin__Cong
                                                                                         => ( powerset__Cong
                                                                                           => ( setunion__Cong
                                                                                             => ( omega__Cong
                                                                                               => ( exuEu
                                                                                                 => ( descr__Cong
                                                                                                   => ( dsetconstr__Cong
                                                                                                     => ( subsetI1
                                                                                                       => ( eqimpsubset2
                                                                                                         => ( eqimpsubset1
                                                                                                           => ( subsetI2
                                                                                                             => ( emptysetsubset
                                                                                                               => ( subsetE
                                                                                                                 => ( subsetE2
                                                                                                                   => ( notsubsetI
                                                                                                                     => ( notequalI1
                                                                                                                       => ( notequalI2
                                                                                                                         => ( subsetRefl
                                                                                                                           => ( subsetTrans
                                                                                                                             => ( setadjoinSub
                                                                                                                               => ( setadjoinSub2
                                                                                                                                 => ( subset2powerset
                                                                                                                                   => ( setextsub
                                                                                                                                     => ( subsetemptysetimpeq
                                                                                                                                       => ( powersetI1
                                                                                                                                         => ( powersetE1
                                                                                                                                           => ( inPowerset
                                                                                                                                             => ( powersetsubset
                                                                                                                                               => ( sepInPowerset
                                                                                                                                                 => ( sepSubset
                                                                                                                                                   => ( binunionIL
                                                                                                                                                     => ( upairset2IR
                                                                                                                                                       => ( binunionIR
                                                                                                                                                         => ( binunionEcases
                                                                                                                                                           => ( binunionE
                                                                                                                                                             => ( binunionLsub
                                                                                                                                                               => ( binunionRsub
                                                                                                                                                                 => ( binintersectI
                                                                                                                                                                   => ( binintersectSubset5
                                                                                                                                                                     => ( binintersectEL
                                                                                                                                                                       => ( binintersectLsub
                                                                                                                                                                         => ( binintersectSubset2
                                                                                                                                                                           => ( binintersectSubset3
                                                                                                                                                                             => ( binintersectER
                                                                                                                                                                               => ( disjointsetsI1
                                                                                                                                                                                 => ( binintersectRsub
                                                                                                                                                                                   => ( binintersectSubset4
                                                                                                                                                                                     => ( binintersectSubset1
                                                                                                                                                                                       => ( bs114d
                                                                                                                                                                                         => ( setminusI
                                                                                                                                                                                           => ( setminusEL
                                                                                                                                                                                             => ( setminusER
                                                                                                                                                                                               => ( setminusSubset2
                                                                                                                                                                                                 => ( setminusERneg
                                                                                                                                                                                                   => ( setminusELneg
                                                                                                                                                                                                     => ( setminusILneg
                                                                                                                                                                                                       => ( setminusIRneg
                                                                                                                                                                                                         => ( setminusLsub
                                                                                                                                                                                                           => ( setminusSubset1
                                                                                                                                                                                                             => ( symdiffE
                                                                                                                                                                                                               => ( symdiffI1
                                                                                                                                                                                                                 => ( symdiffI2
                                                                                                                                                                                                                   => ( symdiffIneg1
                                                                                                                                                                                                                     => ( symdiffIneg2
                                                                                                                                                                                                                       => ( secondinupair
                                                                                                                                                                                                                         => ( setukpairIL
                                                                                                                                                                                                                           => ( setukpairIR
                                                                                                                                                                                                                             => ( kpairiskpair
                                                                                                                                                                                                                               => ( kpairp
                                                                                                                                                                                                                                 => ( singletonsubset
                                                                                                                                                                                                                                   => ( singletoninpowerset
                                                                                                                                                                                                                                     => ( singletoninpowunion
                                                                                                                                                                                                                                       => ( upairset2E
                                                                                                                                                                                                                                         => ( upairsubunion
                                                                                                                                                                                                                                           => ( upairinpowunion
                                                                                                                                                                                                                                             => ( ubforcartprodlem1
                                                                                                                                                                                                                                               => ( ubforcartprodlem2
                                                                                                                                                                                                                                                 => ( ubforcartprodlem3
                                                                                                                                                                                                                                                   => ( cartprodpairin
                                                                                                                                                                                                                                                     => ( cartprodmempair1
                                                                                                                                                                                                                                                       => ( cartprodmempair
                                                                                                                                                                                                                                                         => ( setunionE2
                                                                                                                                                                                                                                                           => ( setunionsingleton1
                                                                                                                                                                                                                                                             => ( setunionsingleton2
                                                                                                                                                                                                                                                               => ( setunionsingleton
                                                                                                                                                                                                                                                                 => ( singletonprop
                                                                                                                                                                                                                                                                   => ( ex1E1
                                                                                                                                                                                                                                                                     => ( ex1I
                                                                                                                                                                                                                                                                       => ( ex1I2
                                                                                                                                                                                                                                                                         => ( singletonsuniq
                                                                                                                                                                                                                                                                           => ( setukpairinjL1
                                                                                                                                                                                                                                                                             => ( kfstsingleton
                                                                                                                                                                                                                                                                               => ( theprop
                                                                                                                                                                                                                                                                                 => ( kfstpairEq
                                                                                                                                                                                                                                                                                   => ( cartprodfstin
                                                                                                                                                                                                                                                                                     => ( setukpairinjL2
                                                                                                                                                                                                                                                                                       => ( setukpairinjL
                                                                                                                                                                                                                                                                                         => ( setukpairinjR11
                                                                                                                                                                                                                                                                                           => ( setukpairinjR12
                                                                                                                                                                                                                                                                                             => ( setukpairinjR1
                                                                                                                                                                                                                                                                                               => ( upairequniteq
                                                                                                                                                                                                                                                                                                 => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                   => ( setukpairinjR
                                                                                                                                                                                                                                                                                                     => ( ksndsingleton
                                                                                                                                                                                                                                                                                                       => ( ksndpairEq
                                                                                                                                                                                                                                                                                                         => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                           => ( cartprodsndin
                                                                                                                                                                                                                                                                                                             => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                               => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                 => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                   => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                     => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                       => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                             => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                       => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                         => ( apProp
                                                                                                                                                                                                                                                                                                                                           => ( app
                                                                                                                                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                    ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                           => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4663]) ).

thf(f4668,plain,
    ( $false
    = ( nonemptyI1
     => ( setadjoinIL
       => ( emptyinunitempty
         => ( setadjoinIR
           => ( setadjoinE
             => ( setadjoinOr
               => ( setoftrueEq
                 => ( powersetI
                   => ( emptyinPowerset
                     => ( emptyInPowerset
                       => ( powersetE
                         => ( setunionI
                           => ( setunionE
                             => ( subPowSU
                               => ( exuE2
                                 => ( nonemptyImpWitness
                                   => ( uniqinunit
                                     => ( notinsingleton
                                       => ( eqinunit
                                         => ( singletonsswitch
                                           => ( upairsetE
                                             => ( upairsetIL
                                               => ( upairsetIR
                                                 => ( emptyE1
                                                   => ( vacuousDall
                                                     => ( quantDeMorgan1
                                                       => ( quantDeMorgan2
                                                         => ( quantDeMorgan3
                                                           => ( quantDeMorgan4
                                                             => ( prop2setI
                                                               => ( prop2set2propI
                                                                 => ( notdexE
                                                                   => ( notdallE
                                                                     => ( exuI1
                                                                       => ( exuI3
                                                                         => ( exuI2
                                                                           => ( inCongP
                                                                             => ( in__Cong
                                                                               => ( exuE3u
                                                                                 => ( exu__Cong
                                                                                   => ( emptyset__Cong
                                                                                     => ( setadjoin__Cong
                                                                                       => ( powerset__Cong
                                                                                         => ( setunion__Cong
                                                                                           => ( omega__Cong
                                                                                             => ( exuEu
                                                                                               => ( descr__Cong
                                                                                                 => ( dsetconstr__Cong
                                                                                                   => ( subsetI1
                                                                                                     => ( eqimpsubset2
                                                                                                       => ( eqimpsubset1
                                                                                                         => ( subsetI2
                                                                                                           => ( emptysetsubset
                                                                                                             => ( subsetE
                                                                                                               => ( subsetE2
                                                                                                                 => ( notsubsetI
                                                                                                                   => ( notequalI1
                                                                                                                     => ( notequalI2
                                                                                                                       => ( subsetRefl
                                                                                                                         => ( subsetTrans
                                                                                                                           => ( setadjoinSub
                                                                                                                             => ( setadjoinSub2
                                                                                                                               => ( subset2powerset
                                                                                                                                 => ( setextsub
                                                                                                                                   => ( subsetemptysetimpeq
                                                                                                                                     => ( powersetI1
                                                                                                                                       => ( powersetE1
                                                                                                                                         => ( inPowerset
                                                                                                                                           => ( powersetsubset
                                                                                                                                             => ( sepInPowerset
                                                                                                                                               => ( sepSubset
                                                                                                                                                 => ( binunionIL
                                                                                                                                                   => ( upairset2IR
                                                                                                                                                     => ( binunionIR
                                                                                                                                                       => ( binunionEcases
                                                                                                                                                         => ( binunionE
                                                                                                                                                           => ( binunionLsub
                                                                                                                                                             => ( binunionRsub
                                                                                                                                                               => ( binintersectI
                                                                                                                                                                 => ( binintersectSubset5
                                                                                                                                                                   => ( binintersectEL
                                                                                                                                                                     => ( binintersectLsub
                                                                                                                                                                       => ( binintersectSubset2
                                                                                                                                                                         => ( binintersectSubset3
                                                                                                                                                                           => ( binintersectER
                                                                                                                                                                             => ( disjointsetsI1
                                                                                                                                                                               => ( binintersectRsub
                                                                                                                                                                                 => ( binintersectSubset4
                                                                                                                                                                                   => ( binintersectSubset1
                                                                                                                                                                                     => ( bs114d
                                                                                                                                                                                       => ( setminusI
                                                                                                                                                                                         => ( setminusEL
                                                                                                                                                                                           => ( setminusER
                                                                                                                                                                                             => ( setminusSubset2
                                                                                                                                                                                               => ( setminusERneg
                                                                                                                                                                                                 => ( setminusELneg
                                                                                                                                                                                                   => ( setminusILneg
                                                                                                                                                                                                     => ( setminusIRneg
                                                                                                                                                                                                       => ( setminusLsub
                                                                                                                                                                                                         => ( setminusSubset1
                                                                                                                                                                                                           => ( symdiffE
                                                                                                                                                                                                             => ( symdiffI1
                                                                                                                                                                                                               => ( symdiffI2
                                                                                                                                                                                                                 => ( symdiffIneg1
                                                                                                                                                                                                                   => ( symdiffIneg2
                                                                                                                                                                                                                     => ( secondinupair
                                                                                                                                                                                                                       => ( setukpairIL
                                                                                                                                                                                                                         => ( setukpairIR
                                                                                                                                                                                                                           => ( kpairiskpair
                                                                                                                                                                                                                             => ( kpairp
                                                                                                                                                                                                                               => ( singletonsubset
                                                                                                                                                                                                                                 => ( singletoninpowerset
                                                                                                                                                                                                                                   => ( singletoninpowunion
                                                                                                                                                                                                                                     => ( upairset2E
                                                                                                                                                                                                                                       => ( upairsubunion
                                                                                                                                                                                                                                         => ( upairinpowunion
                                                                                                                                                                                                                                           => ( ubforcartprodlem1
                                                                                                                                                                                                                                             => ( ubforcartprodlem2
                                                                                                                                                                                                                                               => ( ubforcartprodlem3
                                                                                                                                                                                                                                                 => ( cartprodpairin
                                                                                                                                                                                                                                                   => ( cartprodmempair1
                                                                                                                                                                                                                                                     => ( cartprodmempair
                                                                                                                                                                                                                                                       => ( setunionE2
                                                                                                                                                                                                                                                         => ( setunionsingleton1
                                                                                                                                                                                                                                                           => ( setunionsingleton2
                                                                                                                                                                                                                                                             => ( setunionsingleton
                                                                                                                                                                                                                                                               => ( singletonprop
                                                                                                                                                                                                                                                                 => ( ex1E1
                                                                                                                                                                                                                                                                   => ( ex1I
                                                                                                                                                                                                                                                                     => ( ex1I2
                                                                                                                                                                                                                                                                       => ( singletonsuniq
                                                                                                                                                                                                                                                                         => ( setukpairinjL1
                                                                                                                                                                                                                                                                           => ( kfstsingleton
                                                                                                                                                                                                                                                                             => ( theprop
                                                                                                                                                                                                                                                                               => ( kfstpairEq
                                                                                                                                                                                                                                                                                 => ( cartprodfstin
                                                                                                                                                                                                                                                                                   => ( setukpairinjL2
                                                                                                                                                                                                                                                                                     => ( setukpairinjL
                                                                                                                                                                                                                                                                                       => ( setukpairinjR11
                                                                                                                                                                                                                                                                                         => ( setukpairinjR12
                                                                                                                                                                                                                                                                                           => ( setukpairinjR1
                                                                                                                                                                                                                                                                                             => ( upairequniteq
                                                                                                                                                                                                                                                                                               => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                 => ( setukpairinjR
                                                                                                                                                                                                                                                                                                   => ( ksndsingleton
                                                                                                                                                                                                                                                                                                     => ( ksndpairEq
                                                                                                                                                                                                                                                                                                       => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                         => ( cartprodsndin
                                                                                                                                                                                                                                                                                                           => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                             => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                               => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                 => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                   => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                     => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                           => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                     => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                       => ( apProp
                                                                                                                                                                                                                                                                                                                                         => ( app
                                                                                                                                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                         => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4665]) ).

thf(f4671,plain,
    ( $false
    = ( setadjoinIL
     => ( emptyinunitempty
       => ( setadjoinIR
         => ( setadjoinE
           => ( setadjoinOr
             => ( setoftrueEq
               => ( powersetI
                 => ( emptyinPowerset
                   => ( emptyInPowerset
                     => ( powersetE
                       => ( setunionI
                         => ( setunionE
                           => ( subPowSU
                             => ( exuE2
                               => ( nonemptyImpWitness
                                 => ( uniqinunit
                                   => ( notinsingleton
                                     => ( eqinunit
                                       => ( singletonsswitch
                                         => ( upairsetE
                                           => ( upairsetIL
                                             => ( upairsetIR
                                               => ( emptyE1
                                                 => ( vacuousDall
                                                   => ( quantDeMorgan1
                                                     => ( quantDeMorgan2
                                                       => ( quantDeMorgan3
                                                         => ( quantDeMorgan4
                                                           => ( prop2setI
                                                             => ( prop2set2propI
                                                               => ( notdexE
                                                                 => ( notdallE
                                                                   => ( exuI1
                                                                     => ( exuI3
                                                                       => ( exuI2
                                                                         => ( inCongP
                                                                           => ( in__Cong
                                                                             => ( exuE3u
                                                                               => ( exu__Cong
                                                                                 => ( emptyset__Cong
                                                                                   => ( setadjoin__Cong
                                                                                     => ( powerset__Cong
                                                                                       => ( setunion__Cong
                                                                                         => ( omega__Cong
                                                                                           => ( exuEu
                                                                                             => ( descr__Cong
                                                                                               => ( dsetconstr__Cong
                                                                                                 => ( subsetI1
                                                                                                   => ( eqimpsubset2
                                                                                                     => ( eqimpsubset1
                                                                                                       => ( subsetI2
                                                                                                         => ( emptysetsubset
                                                                                                           => ( subsetE
                                                                                                             => ( subsetE2
                                                                                                               => ( notsubsetI
                                                                                                                 => ( notequalI1
                                                                                                                   => ( notequalI2
                                                                                                                     => ( subsetRefl
                                                                                                                       => ( subsetTrans
                                                                                                                         => ( setadjoinSub
                                                                                                                           => ( setadjoinSub2
                                                                                                                             => ( subset2powerset
                                                                                                                               => ( setextsub
                                                                                                                                 => ( subsetemptysetimpeq
                                                                                                                                   => ( powersetI1
                                                                                                                                     => ( powersetE1
                                                                                                                                       => ( inPowerset
                                                                                                                                         => ( powersetsubset
                                                                                                                                           => ( sepInPowerset
                                                                                                                                             => ( sepSubset
                                                                                                                                               => ( binunionIL
                                                                                                                                                 => ( upairset2IR
                                                                                                                                                   => ( binunionIR
                                                                                                                                                     => ( binunionEcases
                                                                                                                                                       => ( binunionE
                                                                                                                                                         => ( binunionLsub
                                                                                                                                                           => ( binunionRsub
                                                                                                                                                             => ( binintersectI
                                                                                                                                                               => ( binintersectSubset5
                                                                                                                                                                 => ( binintersectEL
                                                                                                                                                                   => ( binintersectLsub
                                                                                                                                                                     => ( binintersectSubset2
                                                                                                                                                                       => ( binintersectSubset3
                                                                                                                                                                         => ( binintersectER
                                                                                                                                                                           => ( disjointsetsI1
                                                                                                                                                                             => ( binintersectRsub
                                                                                                                                                                               => ( binintersectSubset4
                                                                                                                                                                                 => ( binintersectSubset1
                                                                                                                                                                                   => ( bs114d
                                                                                                                                                                                     => ( setminusI
                                                                                                                                                                                       => ( setminusEL
                                                                                                                                                                                         => ( setminusER
                                                                                                                                                                                           => ( setminusSubset2
                                                                                                                                                                                             => ( setminusERneg
                                                                                                                                                                                               => ( setminusELneg
                                                                                                                                                                                                 => ( setminusILneg
                                                                                                                                                                                                   => ( setminusIRneg
                                                                                                                                                                                                     => ( setminusLsub
                                                                                                                                                                                                       => ( setminusSubset1
                                                                                                                                                                                                         => ( symdiffE
                                                                                                                                                                                                           => ( symdiffI1
                                                                                                                                                                                                             => ( symdiffI2
                                                                                                                                                                                                               => ( symdiffIneg1
                                                                                                                                                                                                                 => ( symdiffIneg2
                                                                                                                                                                                                                   => ( secondinupair
                                                                                                                                                                                                                     => ( setukpairIL
                                                                                                                                                                                                                       => ( setukpairIR
                                                                                                                                                                                                                         => ( kpairiskpair
                                                                                                                                                                                                                           => ( kpairp
                                                                                                                                                                                                                             => ( singletonsubset
                                                                                                                                                                                                                               => ( singletoninpowerset
                                                                                                                                                                                                                                 => ( singletoninpowunion
                                                                                                                                                                                                                                   => ( upairset2E
                                                                                                                                                                                                                                     => ( upairsubunion
                                                                                                                                                                                                                                       => ( upairinpowunion
                                                                                                                                                                                                                                         => ( ubforcartprodlem1
                                                                                                                                                                                                                                           => ( ubforcartprodlem2
                                                                                                                                                                                                                                             => ( ubforcartprodlem3
                                                                                                                                                                                                                                               => ( cartprodpairin
                                                                                                                                                                                                                                                 => ( cartprodmempair1
                                                                                                                                                                                                                                                   => ( cartprodmempair
                                                                                                                                                                                                                                                     => ( setunionE2
                                                                                                                                                                                                                                                       => ( setunionsingleton1
                                                                                                                                                                                                                                                         => ( setunionsingleton2
                                                                                                                                                                                                                                                           => ( setunionsingleton
                                                                                                                                                                                                                                                             => ( singletonprop
                                                                                                                                                                                                                                                               => ( ex1E1
                                                                                                                                                                                                                                                                 => ( ex1I
                                                                                                                                                                                                                                                                   => ( ex1I2
                                                                                                                                                                                                                                                                     => ( singletonsuniq
                                                                                                                                                                                                                                                                       => ( setukpairinjL1
                                                                                                                                                                                                                                                                         => ( kfstsingleton
                                                                                                                                                                                                                                                                           => ( theprop
                                                                                                                                                                                                                                                                             => ( kfstpairEq
                                                                                                                                                                                                                                                                               => ( cartprodfstin
                                                                                                                                                                                                                                                                                 => ( setukpairinjL2
                                                                                                                                                                                                                                                                                   => ( setukpairinjL
                                                                                                                                                                                                                                                                                     => ( setukpairinjR11
                                                                                                                                                                                                                                                                                       => ( setukpairinjR12
                                                                                                                                                                                                                                                                                         => ( setukpairinjR1
                                                                                                                                                                                                                                                                                           => ( upairequniteq
                                                                                                                                                                                                                                                                                             => ( setukpairinjR2
                                                                                                                                                                                                                                                                                               => ( setukpairinjR
                                                                                                                                                                                                                                                                                                 => ( ksndsingleton
                                                                                                                                                                                                                                                                                                   => ( ksndpairEq
                                                                                                                                                                                                                                                                                                     => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                       => ( cartprodsndin
                                                                                                                                                                                                                                                                                                         => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                           => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                             => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                               => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                 => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                   => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                         => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                   => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                     => ( apProp
                                                                                                                                                                                                                                                                                                                                       => ( app
                                                                                                                                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                       => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4668]) ).

thf(f4675,plain,
    ( $false
    = ( emptyinunitempty
     => ( setadjoinIR
       => ( setadjoinE
         => ( setadjoinOr
           => ( setoftrueEq
             => ( powersetI
               => ( emptyinPowerset
                 => ( emptyInPowerset
                   => ( powersetE
                     => ( setunionI
                       => ( setunionE
                         => ( subPowSU
                           => ( exuE2
                             => ( nonemptyImpWitness
                               => ( uniqinunit
                                 => ( notinsingleton
                                   => ( eqinunit
                                     => ( singletonsswitch
                                       => ( upairsetE
                                         => ( upairsetIL
                                           => ( upairsetIR
                                             => ( emptyE1
                                               => ( vacuousDall
                                                 => ( quantDeMorgan1
                                                   => ( quantDeMorgan2
                                                     => ( quantDeMorgan3
                                                       => ( quantDeMorgan4
                                                         => ( prop2setI
                                                           => ( prop2set2propI
                                                             => ( notdexE
                                                               => ( notdallE
                                                                 => ( exuI1
                                                                   => ( exuI3
                                                                     => ( exuI2
                                                                       => ( inCongP
                                                                         => ( in__Cong
                                                                           => ( exuE3u
                                                                             => ( exu__Cong
                                                                               => ( emptyset__Cong
                                                                                 => ( setadjoin__Cong
                                                                                   => ( powerset__Cong
                                                                                     => ( setunion__Cong
                                                                                       => ( omega__Cong
                                                                                         => ( exuEu
                                                                                           => ( descr__Cong
                                                                                             => ( dsetconstr__Cong
                                                                                               => ( subsetI1
                                                                                                 => ( eqimpsubset2
                                                                                                   => ( eqimpsubset1
                                                                                                     => ( subsetI2
                                                                                                       => ( emptysetsubset
                                                                                                         => ( subsetE
                                                                                                           => ( subsetE2
                                                                                                             => ( notsubsetI
                                                                                                               => ( notequalI1
                                                                                                                 => ( notequalI2
                                                                                                                   => ( subsetRefl
                                                                                                                     => ( subsetTrans
                                                                                                                       => ( setadjoinSub
                                                                                                                         => ( setadjoinSub2
                                                                                                                           => ( subset2powerset
                                                                                                                             => ( setextsub
                                                                                                                               => ( subsetemptysetimpeq
                                                                                                                                 => ( powersetI1
                                                                                                                                   => ( powersetE1
                                                                                                                                     => ( inPowerset
                                                                                                                                       => ( powersetsubset
                                                                                                                                         => ( sepInPowerset
                                                                                                                                           => ( sepSubset
                                                                                                                                             => ( binunionIL
                                                                                                                                               => ( upairset2IR
                                                                                                                                                 => ( binunionIR
                                                                                                                                                   => ( binunionEcases
                                                                                                                                                     => ( binunionE
                                                                                                                                                       => ( binunionLsub
                                                                                                                                                         => ( binunionRsub
                                                                                                                                                           => ( binintersectI
                                                                                                                                                             => ( binintersectSubset5
                                                                                                                                                               => ( binintersectEL
                                                                                                                                                                 => ( binintersectLsub
                                                                                                                                                                   => ( binintersectSubset2
                                                                                                                                                                     => ( binintersectSubset3
                                                                                                                                                                       => ( binintersectER
                                                                                                                                                                         => ( disjointsetsI1
                                                                                                                                                                           => ( binintersectRsub
                                                                                                                                                                             => ( binintersectSubset4
                                                                                                                                                                               => ( binintersectSubset1
                                                                                                                                                                                 => ( bs114d
                                                                                                                                                                                   => ( setminusI
                                                                                                                                                                                     => ( setminusEL
                                                                                                                                                                                       => ( setminusER
                                                                                                                                                                                         => ( setminusSubset2
                                                                                                                                                                                           => ( setminusERneg
                                                                                                                                                                                             => ( setminusELneg
                                                                                                                                                                                               => ( setminusILneg
                                                                                                                                                                                                 => ( setminusIRneg
                                                                                                                                                                                                   => ( setminusLsub
                                                                                                                                                                                                     => ( setminusSubset1
                                                                                                                                                                                                       => ( symdiffE
                                                                                                                                                                                                         => ( symdiffI1
                                                                                                                                                                                                           => ( symdiffI2
                                                                                                                                                                                                             => ( symdiffIneg1
                                                                                                                                                                                                               => ( symdiffIneg2
                                                                                                                                                                                                                 => ( secondinupair
                                                                                                                                                                                                                   => ( setukpairIL
                                                                                                                                                                                                                     => ( setukpairIR
                                                                                                                                                                                                                       => ( kpairiskpair
                                                                                                                                                                                                                         => ( kpairp
                                                                                                                                                                                                                           => ( singletonsubset
                                                                                                                                                                                                                             => ( singletoninpowerset
                                                                                                                                                                                                                               => ( singletoninpowunion
                                                                                                                                                                                                                                 => ( upairset2E
                                                                                                                                                                                                                                   => ( upairsubunion
                                                                                                                                                                                                                                     => ( upairinpowunion
                                                                                                                                                                                                                                       => ( ubforcartprodlem1
                                                                                                                                                                                                                                         => ( ubforcartprodlem2
                                                                                                                                                                                                                                           => ( ubforcartprodlem3
                                                                                                                                                                                                                                             => ( cartprodpairin
                                                                                                                                                                                                                                               => ( cartprodmempair1
                                                                                                                                                                                                                                                 => ( cartprodmempair
                                                                                                                                                                                                                                                   => ( setunionE2
                                                                                                                                                                                                                                                     => ( setunionsingleton1
                                                                                                                                                                                                                                                       => ( setunionsingleton2
                                                                                                                                                                                                                                                         => ( setunionsingleton
                                                                                                                                                                                                                                                           => ( singletonprop
                                                                                                                                                                                                                                                             => ( ex1E1
                                                                                                                                                                                                                                                               => ( ex1I
                                                                                                                                                                                                                                                                 => ( ex1I2
                                                                                                                                                                                                                                                                   => ( singletonsuniq
                                                                                                                                                                                                                                                                     => ( setukpairinjL1
                                                                                                                                                                                                                                                                       => ( kfstsingleton
                                                                                                                                                                                                                                                                         => ( theprop
                                                                                                                                                                                                                                                                           => ( kfstpairEq
                                                                                                                                                                                                                                                                             => ( cartprodfstin
                                                                                                                                                                                                                                                                               => ( setukpairinjL2
                                                                                                                                                                                                                                                                                 => ( setukpairinjL
                                                                                                                                                                                                                                                                                   => ( setukpairinjR11
                                                                                                                                                                                                                                                                                     => ( setukpairinjR12
                                                                                                                                                                                                                                                                                       => ( setukpairinjR1
                                                                                                                                                                                                                                                                                         => ( upairequniteq
                                                                                                                                                                                                                                                                                           => ( setukpairinjR2
                                                                                                                                                                                                                                                                                             => ( setukpairinjR
                                                                                                                                                                                                                                                                                               => ( ksndsingleton
                                                                                                                                                                                                                                                                                                 => ( ksndpairEq
                                                                                                                                                                                                                                                                                                   => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                     => ( cartprodsndin
                                                                                                                                                                                                                                                                                                       => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                         => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                           => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                             => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                               => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                 => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                       => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                               => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                 => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                   => ( apProp
                                                                                                                                                                                                                                                                                                                                     => ( app
                                                                                                                                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                              ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                     => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4671]) ).

thf(f4677,plain,
    ( $false
    = ( setadjoinIR
     => ( setadjoinE
       => ( setadjoinOr
         => ( setoftrueEq
           => ( powersetI
             => ( emptyinPowerset
               => ( emptyInPowerset
                 => ( powersetE
                   => ( setunionI
                     => ( setunionE
                       => ( subPowSU
                         => ( exuE2
                           => ( nonemptyImpWitness
                             => ( uniqinunit
                               => ( notinsingleton
                                 => ( eqinunit
                                   => ( singletonsswitch
                                     => ( upairsetE
                                       => ( upairsetIL
                                         => ( upairsetIR
                                           => ( emptyE1
                                             => ( vacuousDall
                                               => ( quantDeMorgan1
                                                 => ( quantDeMorgan2
                                                   => ( quantDeMorgan3
                                                     => ( quantDeMorgan4
                                                       => ( prop2setI
                                                         => ( prop2set2propI
                                                           => ( notdexE
                                                             => ( notdallE
                                                               => ( exuI1
                                                                 => ( exuI3
                                                                   => ( exuI2
                                                                     => ( inCongP
                                                                       => ( in__Cong
                                                                         => ( exuE3u
                                                                           => ( exu__Cong
                                                                             => ( emptyset__Cong
                                                                               => ( setadjoin__Cong
                                                                                 => ( powerset__Cong
                                                                                   => ( setunion__Cong
                                                                                     => ( omega__Cong
                                                                                       => ( exuEu
                                                                                         => ( descr__Cong
                                                                                           => ( dsetconstr__Cong
                                                                                             => ( subsetI1
                                                                                               => ( eqimpsubset2
                                                                                                 => ( eqimpsubset1
                                                                                                   => ( subsetI2
                                                                                                     => ( emptysetsubset
                                                                                                       => ( subsetE
                                                                                                         => ( subsetE2
                                                                                                           => ( notsubsetI
                                                                                                             => ( notequalI1
                                                                                                               => ( notequalI2
                                                                                                                 => ( subsetRefl
                                                                                                                   => ( subsetTrans
                                                                                                                     => ( setadjoinSub
                                                                                                                       => ( setadjoinSub2
                                                                                                                         => ( subset2powerset
                                                                                                                           => ( setextsub
                                                                                                                             => ( subsetemptysetimpeq
                                                                                                                               => ( powersetI1
                                                                                                                                 => ( powersetE1
                                                                                                                                   => ( inPowerset
                                                                                                                                     => ( powersetsubset
                                                                                                                                       => ( sepInPowerset
                                                                                                                                         => ( sepSubset
                                                                                                                                           => ( binunionIL
                                                                                                                                             => ( upairset2IR
                                                                                                                                               => ( binunionIR
                                                                                                                                                 => ( binunionEcases
                                                                                                                                                   => ( binunionE
                                                                                                                                                     => ( binunionLsub
                                                                                                                                                       => ( binunionRsub
                                                                                                                                                         => ( binintersectI
                                                                                                                                                           => ( binintersectSubset5
                                                                                                                                                             => ( binintersectEL
                                                                                                                                                               => ( binintersectLsub
                                                                                                                                                                 => ( binintersectSubset2
                                                                                                                                                                   => ( binintersectSubset3
                                                                                                                                                                     => ( binintersectER
                                                                                                                                                                       => ( disjointsetsI1
                                                                                                                                                                         => ( binintersectRsub
                                                                                                                                                                           => ( binintersectSubset4
                                                                                                                                                                             => ( binintersectSubset1
                                                                                                                                                                               => ( bs114d
                                                                                                                                                                                 => ( setminusI
                                                                                                                                                                                   => ( setminusEL
                                                                                                                                                                                     => ( setminusER
                                                                                                                                                                                       => ( setminusSubset2
                                                                                                                                                                                         => ( setminusERneg
                                                                                                                                                                                           => ( setminusELneg
                                                                                                                                                                                             => ( setminusILneg
                                                                                                                                                                                               => ( setminusIRneg
                                                                                                                                                                                                 => ( setminusLsub
                                                                                                                                                                                                   => ( setminusSubset1
                                                                                                                                                                                                     => ( symdiffE
                                                                                                                                                                                                       => ( symdiffI1
                                                                                                                                                                                                         => ( symdiffI2
                                                                                                                                                                                                           => ( symdiffIneg1
                                                                                                                                                                                                             => ( symdiffIneg2
                                                                                                                                                                                                               => ( secondinupair
                                                                                                                                                                                                                 => ( setukpairIL
                                                                                                                                                                                                                   => ( setukpairIR
                                                                                                                                                                                                                     => ( kpairiskpair
                                                                                                                                                                                                                       => ( kpairp
                                                                                                                                                                                                                         => ( singletonsubset
                                                                                                                                                                                                                           => ( singletoninpowerset
                                                                                                                                                                                                                             => ( singletoninpowunion
                                                                                                                                                                                                                               => ( upairset2E
                                                                                                                                                                                                                                 => ( upairsubunion
                                                                                                                                                                                                                                   => ( upairinpowunion
                                                                                                                                                                                                                                     => ( ubforcartprodlem1
                                                                                                                                                                                                                                       => ( ubforcartprodlem2
                                                                                                                                                                                                                                         => ( ubforcartprodlem3
                                                                                                                                                                                                                                           => ( cartprodpairin
                                                                                                                                                                                                                                             => ( cartprodmempair1
                                                                                                                                                                                                                                               => ( cartprodmempair
                                                                                                                                                                                                                                                 => ( setunionE2
                                                                                                                                                                                                                                                   => ( setunionsingleton1
                                                                                                                                                                                                                                                     => ( setunionsingleton2
                                                                                                                                                                                                                                                       => ( setunionsingleton
                                                                                                                                                                                                                                                         => ( singletonprop
                                                                                                                                                                                                                                                           => ( ex1E1
                                                                                                                                                                                                                                                             => ( ex1I
                                                                                                                                                                                                                                                               => ( ex1I2
                                                                                                                                                                                                                                                                 => ( singletonsuniq
                                                                                                                                                                                                                                                                   => ( setukpairinjL1
                                                                                                                                                                                                                                                                     => ( kfstsingleton
                                                                                                                                                                                                                                                                       => ( theprop
                                                                                                                                                                                                                                                                         => ( kfstpairEq
                                                                                                                                                                                                                                                                           => ( cartprodfstin
                                                                                                                                                                                                                                                                             => ( setukpairinjL2
                                                                                                                                                                                                                                                                               => ( setukpairinjL
                                                                                                                                                                                                                                                                                 => ( setukpairinjR11
                                                                                                                                                                                                                                                                                   => ( setukpairinjR12
                                                                                                                                                                                                                                                                                     => ( setukpairinjR1
                                                                                                                                                                                                                                                                                       => ( upairequniteq
                                                                                                                                                                                                                                                                                         => ( setukpairinjR2
                                                                                                                                                                                                                                                                                           => ( setukpairinjR
                                                                                                                                                                                                                                                                                             => ( ksndsingleton
                                                                                                                                                                                                                                                                                               => ( ksndpairEq
                                                                                                                                                                                                                                                                                                 => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                   => ( cartprodsndin
                                                                                                                                                                                                                                                                                                     => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                       => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                         => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                           => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                             => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                 => ( apProp
                                                                                                                                                                                                                                                                                                                                   => ( app
                                                                                                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                            ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                   => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4675]) ).

thf(f4681,plain,
    ( ( setadjoinE
     => ( setadjoinOr
       => ( setoftrueEq
         => ( powersetI
           => ( emptyinPowerset
             => ( emptyInPowerset
               => ( powersetE
                 => ( setunionI
                   => ( setunionE
                     => ( subPowSU
                       => ( exuE2
                         => ( nonemptyImpWitness
                           => ( uniqinunit
                             => ( notinsingleton
                               => ( eqinunit
                                 => ( singletonsswitch
                                   => ( upairsetE
                                     => ( upairsetIL
                                       => ( upairsetIR
                                         => ( emptyE1
                                           => ( vacuousDall
                                             => ( quantDeMorgan1
                                               => ( quantDeMorgan2
                                                 => ( quantDeMorgan3
                                                   => ( quantDeMorgan4
                                                     => ( prop2setI
                                                       => ( prop2set2propI
                                                         => ( notdexE
                                                           => ( notdallE
                                                             => ( exuI1
                                                               => ( exuI3
                                                                 => ( exuI2
                                                                   => ( inCongP
                                                                     => ( in__Cong
                                                                       => ( exuE3u
                                                                         => ( exu__Cong
                                                                           => ( emptyset__Cong
                                                                             => ( setadjoin__Cong
                                                                               => ( powerset__Cong
                                                                                 => ( setunion__Cong
                                                                                   => ( omega__Cong
                                                                                     => ( exuEu
                                                                                       => ( descr__Cong
                                                                                         => ( dsetconstr__Cong
                                                                                           => ( subsetI1
                                                                                             => ( eqimpsubset2
                                                                                               => ( eqimpsubset1
                                                                                                 => ( subsetI2
                                                                                                   => ( emptysetsubset
                                                                                                     => ( subsetE
                                                                                                       => ( subsetE2
                                                                                                         => ( notsubsetI
                                                                                                           => ( notequalI1
                                                                                                             => ( notequalI2
                                                                                                               => ( subsetRefl
                                                                                                                 => ( subsetTrans
                                                                                                                   => ( setadjoinSub
                                                                                                                     => ( setadjoinSub2
                                                                                                                       => ( subset2powerset
                                                                                                                         => ( setextsub
                                                                                                                           => ( subsetemptysetimpeq
                                                                                                                             => ( powersetI1
                                                                                                                               => ( powersetE1
                                                                                                                                 => ( inPowerset
                                                                                                                                   => ( powersetsubset
                                                                                                                                     => ( sepInPowerset
                                                                                                                                       => ( sepSubset
                                                                                                                                         => ( binunionIL
                                                                                                                                           => ( upairset2IR
                                                                                                                                             => ( binunionIR
                                                                                                                                               => ( binunionEcases
                                                                                                                                                 => ( binunionE
                                                                                                                                                   => ( binunionLsub
                                                                                                                                                     => ( binunionRsub
                                                                                                                                                       => ( binintersectI
                                                                                                                                                         => ( binintersectSubset5
                                                                                                                                                           => ( binintersectEL
                                                                                                                                                             => ( binintersectLsub
                                                                                                                                                               => ( binintersectSubset2
                                                                                                                                                                 => ( binintersectSubset3
                                                                                                                                                                   => ( binintersectER
                                                                                                                                                                     => ( disjointsetsI1
                                                                                                                                                                       => ( binintersectRsub
                                                                                                                                                                         => ( binintersectSubset4
                                                                                                                                                                           => ( binintersectSubset1
                                                                                                                                                                             => ( bs114d
                                                                                                                                                                               => ( setminusI
                                                                                                                                                                                 => ( setminusEL
                                                                                                                                                                                   => ( setminusER
                                                                                                                                                                                     => ( setminusSubset2
                                                                                                                                                                                       => ( setminusERneg
                                                                                                                                                                                         => ( setminusELneg
                                                                                                                                                                                           => ( setminusILneg
                                                                                                                                                                                             => ( setminusIRneg
                                                                                                                                                                                               => ( setminusLsub
                                                                                                                                                                                                 => ( setminusSubset1
                                                                                                                                                                                                   => ( symdiffE
                                                                                                                                                                                                     => ( symdiffI1
                                                                                                                                                                                                       => ( symdiffI2
                                                                                                                                                                                                         => ( symdiffIneg1
                                                                                                                                                                                                           => ( symdiffIneg2
                                                                                                                                                                                                             => ( secondinupair
                                                                                                                                                                                                               => ( setukpairIL
                                                                                                                                                                                                                 => ( setukpairIR
                                                                                                                                                                                                                   => ( kpairiskpair
                                                                                                                                                                                                                     => ( kpairp
                                                                                                                                                                                                                       => ( singletonsubset
                                                                                                                                                                                                                         => ( singletoninpowerset
                                                                                                                                                                                                                           => ( singletoninpowunion
                                                                                                                                                                                                                             => ( upairset2E
                                                                                                                                                                                                                               => ( upairsubunion
                                                                                                                                                                                                                                 => ( upairinpowunion
                                                                                                                                                                                                                                   => ( ubforcartprodlem1
                                                                                                                                                                                                                                     => ( ubforcartprodlem2
                                                                                                                                                                                                                                       => ( ubforcartprodlem3
                                                                                                                                                                                                                                         => ( cartprodpairin
                                                                                                                                                                                                                                           => ( cartprodmempair1
                                                                                                                                                                                                                                             => ( cartprodmempair
                                                                                                                                                                                                                                               => ( setunionE2
                                                                                                                                                                                                                                                 => ( setunionsingleton1
                                                                                                                                                                                                                                                   => ( setunionsingleton2
                                                                                                                                                                                                                                                     => ( setunionsingleton
                                                                                                                                                                                                                                                       => ( singletonprop
                                                                                                                                                                                                                                                         => ( ex1E1
                                                                                                                                                                                                                                                           => ( ex1I
                                                                                                                                                                                                                                                             => ( ex1I2
                                                                                                                                                                                                                                                               => ( singletonsuniq
                                                                                                                                                                                                                                                                 => ( setukpairinjL1
                                                                                                                                                                                                                                                                   => ( kfstsingleton
                                                                                                                                                                                                                                                                     => ( theprop
                                                                                                                                                                                                                                                                       => ( kfstpairEq
                                                                                                                                                                                                                                                                         => ( cartprodfstin
                                                                                                                                                                                                                                                                           => ( setukpairinjL2
                                                                                                                                                                                                                                                                             => ( setukpairinjL
                                                                                                                                                                                                                                                                               => ( setukpairinjR11
                                                                                                                                                                                                                                                                                 => ( setukpairinjR12
                                                                                                                                                                                                                                                                                   => ( setukpairinjR1
                                                                                                                                                                                                                                                                                     => ( upairequniteq
                                                                                                                                                                                                                                                                                       => ( setukpairinjR2
                                                                                                                                                                                                                                                                                         => ( setukpairinjR
                                                                                                                                                                                                                                                                                           => ( ksndsingleton
                                                                                                                                                                                                                                                                                             => ( ksndpairEq
                                                                                                                                                                                                                                                                                               => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                 => ( cartprodsndin
                                                                                                                                                                                                                                                                                                   => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                     => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                       => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                         => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                           => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                             => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                               => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                   => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                             => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                               => ( apProp
                                                                                                                                                                                                                                                                                                                                 => ( app
                                                                                                                                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                          ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                 => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4677]) ).

thf(f4683,plain,
    ( ( setadjoinOr
     => ( setoftrueEq
       => ( powersetI
         => ( emptyinPowerset
           => ( emptyInPowerset
             => ( powersetE
               => ( setunionI
                 => ( setunionE
                   => ( subPowSU
                     => ( exuE2
                       => ( nonemptyImpWitness
                         => ( uniqinunit
                           => ( notinsingleton
                             => ( eqinunit
                               => ( singletonsswitch
                                 => ( upairsetE
                                   => ( upairsetIL
                                     => ( upairsetIR
                                       => ( emptyE1
                                         => ( vacuousDall
                                           => ( quantDeMorgan1
                                             => ( quantDeMorgan2
                                               => ( quantDeMorgan3
                                                 => ( quantDeMorgan4
                                                   => ( prop2setI
                                                     => ( prop2set2propI
                                                       => ( notdexE
                                                         => ( notdallE
                                                           => ( exuI1
                                                             => ( exuI3
                                                               => ( exuI2
                                                                 => ( inCongP
                                                                   => ( in__Cong
                                                                     => ( exuE3u
                                                                       => ( exu__Cong
                                                                         => ( emptyset__Cong
                                                                           => ( setadjoin__Cong
                                                                             => ( powerset__Cong
                                                                               => ( setunion__Cong
                                                                                 => ( omega__Cong
                                                                                   => ( exuEu
                                                                                     => ( descr__Cong
                                                                                       => ( dsetconstr__Cong
                                                                                         => ( subsetI1
                                                                                           => ( eqimpsubset2
                                                                                             => ( eqimpsubset1
                                                                                               => ( subsetI2
                                                                                                 => ( emptysetsubset
                                                                                                   => ( subsetE
                                                                                                     => ( subsetE2
                                                                                                       => ( notsubsetI
                                                                                                         => ( notequalI1
                                                                                                           => ( notequalI2
                                                                                                             => ( subsetRefl
                                                                                                               => ( subsetTrans
                                                                                                                 => ( setadjoinSub
                                                                                                                   => ( setadjoinSub2
                                                                                                                     => ( subset2powerset
                                                                                                                       => ( setextsub
                                                                                                                         => ( subsetemptysetimpeq
                                                                                                                           => ( powersetI1
                                                                                                                             => ( powersetE1
                                                                                                                               => ( inPowerset
                                                                                                                                 => ( powersetsubset
                                                                                                                                   => ( sepInPowerset
                                                                                                                                     => ( sepSubset
                                                                                                                                       => ( binunionIL
                                                                                                                                         => ( upairset2IR
                                                                                                                                           => ( binunionIR
                                                                                                                                             => ( binunionEcases
                                                                                                                                               => ( binunionE
                                                                                                                                                 => ( binunionLsub
                                                                                                                                                   => ( binunionRsub
                                                                                                                                                     => ( binintersectI
                                                                                                                                                       => ( binintersectSubset5
                                                                                                                                                         => ( binintersectEL
                                                                                                                                                           => ( binintersectLsub
                                                                                                                                                             => ( binintersectSubset2
                                                                                                                                                               => ( binintersectSubset3
                                                                                                                                                                 => ( binintersectER
                                                                                                                                                                   => ( disjointsetsI1
                                                                                                                                                                     => ( binintersectRsub
                                                                                                                                                                       => ( binintersectSubset4
                                                                                                                                                                         => ( binintersectSubset1
                                                                                                                                                                           => ( bs114d
                                                                                                                                                                             => ( setminusI
                                                                                                                                                                               => ( setminusEL
                                                                                                                                                                                 => ( setminusER
                                                                                                                                                                                   => ( setminusSubset2
                                                                                                                                                                                     => ( setminusERneg
                                                                                                                                                                                       => ( setminusELneg
                                                                                                                                                                                         => ( setminusILneg
                                                                                                                                                                                           => ( setminusIRneg
                                                                                                                                                                                             => ( setminusLsub
                                                                                                                                                                                               => ( setminusSubset1
                                                                                                                                                                                                 => ( symdiffE
                                                                                                                                                                                                   => ( symdiffI1
                                                                                                                                                                                                     => ( symdiffI2
                                                                                                                                                                                                       => ( symdiffIneg1
                                                                                                                                                                                                         => ( symdiffIneg2
                                                                                                                                                                                                           => ( secondinupair
                                                                                                                                                                                                             => ( setukpairIL
                                                                                                                                                                                                               => ( setukpairIR
                                                                                                                                                                                                                 => ( kpairiskpair
                                                                                                                                                                                                                   => ( kpairp
                                                                                                                                                                                                                     => ( singletonsubset
                                                                                                                                                                                                                       => ( singletoninpowerset
                                                                                                                                                                                                                         => ( singletoninpowunion
                                                                                                                                                                                                                           => ( upairset2E
                                                                                                                                                                                                                             => ( upairsubunion
                                                                                                                                                                                                                               => ( upairinpowunion
                                                                                                                                                                                                                                 => ( ubforcartprodlem1
                                                                                                                                                                                                                                   => ( ubforcartprodlem2
                                                                                                                                                                                                                                     => ( ubforcartprodlem3
                                                                                                                                                                                                                                       => ( cartprodpairin
                                                                                                                                                                                                                                         => ( cartprodmempair1
                                                                                                                                                                                                                                           => ( cartprodmempair
                                                                                                                                                                                                                                             => ( setunionE2
                                                                                                                                                                                                                                               => ( setunionsingleton1
                                                                                                                                                                                                                                                 => ( setunionsingleton2
                                                                                                                                                                                                                                                   => ( setunionsingleton
                                                                                                                                                                                                                                                     => ( singletonprop
                                                                                                                                                                                                                                                       => ( ex1E1
                                                                                                                                                                                                                                                         => ( ex1I
                                                                                                                                                                                                                                                           => ( ex1I2
                                                                                                                                                                                                                                                             => ( singletonsuniq
                                                                                                                                                                                                                                                               => ( setukpairinjL1
                                                                                                                                                                                                                                                                 => ( kfstsingleton
                                                                                                                                                                                                                                                                   => ( theprop
                                                                                                                                                                                                                                                                     => ( kfstpairEq
                                                                                                                                                                                                                                                                       => ( cartprodfstin
                                                                                                                                                                                                                                                                         => ( setukpairinjL2
                                                                                                                                                                                                                                                                           => ( setukpairinjL
                                                                                                                                                                                                                                                                             => ( setukpairinjR11
                                                                                                                                                                                                                                                                               => ( setukpairinjR12
                                                                                                                                                                                                                                                                                 => ( setukpairinjR1
                                                                                                                                                                                                                                                                                   => ( upairequniteq
                                                                                                                                                                                                                                                                                     => ( setukpairinjR2
                                                                                                                                                                                                                                                                                       => ( setukpairinjR
                                                                                                                                                                                                                                                                                         => ( ksndsingleton
                                                                                                                                                                                                                                                                                           => ( ksndpairEq
                                                                                                                                                                                                                                                                                             => ( kpairsurjEq
                                                                                                                                                                                                                                                                                               => ( cartprodsndin
                                                                                                                                                                                                                                                                                                 => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                   => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                     => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                       => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                         => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                           => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                             => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                               => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                         => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                           => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                             => ( apProp
                                                                                                                                                                                                                                                                                                                               => ( app
                                                                                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                        ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                               => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4681]) ).

thf(f4686,plain,
    ( $false
    = ( setoftrueEq
     => ( powersetI
       => ( emptyinPowerset
         => ( emptyInPowerset
           => ( powersetE
             => ( setunionI
               => ( setunionE
                 => ( subPowSU
                   => ( exuE2
                     => ( nonemptyImpWitness
                       => ( uniqinunit
                         => ( notinsingleton
                           => ( eqinunit
                             => ( singletonsswitch
                               => ( upairsetE
                                 => ( upairsetIL
                                   => ( upairsetIR
                                     => ( emptyE1
                                       => ( vacuousDall
                                         => ( quantDeMorgan1
                                           => ( quantDeMorgan2
                                             => ( quantDeMorgan3
                                               => ( quantDeMorgan4
                                                 => ( prop2setI
                                                   => ( prop2set2propI
                                                     => ( notdexE
                                                       => ( notdallE
                                                         => ( exuI1
                                                           => ( exuI3
                                                             => ( exuI2
                                                               => ( inCongP
                                                                 => ( in__Cong
                                                                   => ( exuE3u
                                                                     => ( exu__Cong
                                                                       => ( emptyset__Cong
                                                                         => ( setadjoin__Cong
                                                                           => ( powerset__Cong
                                                                             => ( setunion__Cong
                                                                               => ( omega__Cong
                                                                                 => ( exuEu
                                                                                   => ( descr__Cong
                                                                                     => ( dsetconstr__Cong
                                                                                       => ( subsetI1
                                                                                         => ( eqimpsubset2
                                                                                           => ( eqimpsubset1
                                                                                             => ( subsetI2
                                                                                               => ( emptysetsubset
                                                                                                 => ( subsetE
                                                                                                   => ( subsetE2
                                                                                                     => ( notsubsetI
                                                                                                       => ( notequalI1
                                                                                                         => ( notequalI2
                                                                                                           => ( subsetRefl
                                                                                                             => ( subsetTrans
                                                                                                               => ( setadjoinSub
                                                                                                                 => ( setadjoinSub2
                                                                                                                   => ( subset2powerset
                                                                                                                     => ( setextsub
                                                                                                                       => ( subsetemptysetimpeq
                                                                                                                         => ( powersetI1
                                                                                                                           => ( powersetE1
                                                                                                                             => ( inPowerset
                                                                                                                               => ( powersetsubset
                                                                                                                                 => ( sepInPowerset
                                                                                                                                   => ( sepSubset
                                                                                                                                     => ( binunionIL
                                                                                                                                       => ( upairset2IR
                                                                                                                                         => ( binunionIR
                                                                                                                                           => ( binunionEcases
                                                                                                                                             => ( binunionE
                                                                                                                                               => ( binunionLsub
                                                                                                                                                 => ( binunionRsub
                                                                                                                                                   => ( binintersectI
                                                                                                                                                     => ( binintersectSubset5
                                                                                                                                                       => ( binintersectEL
                                                                                                                                                         => ( binintersectLsub
                                                                                                                                                           => ( binintersectSubset2
                                                                                                                                                             => ( binintersectSubset3
                                                                                                                                                               => ( binintersectER
                                                                                                                                                                 => ( disjointsetsI1
                                                                                                                                                                   => ( binintersectRsub
                                                                                                                                                                     => ( binintersectSubset4
                                                                                                                                                                       => ( binintersectSubset1
                                                                                                                                                                         => ( bs114d
                                                                                                                                                                           => ( setminusI
                                                                                                                                                                             => ( setminusEL
                                                                                                                                                                               => ( setminusER
                                                                                                                                                                                 => ( setminusSubset2
                                                                                                                                                                                   => ( setminusERneg
                                                                                                                                                                                     => ( setminusELneg
                                                                                                                                                                                       => ( setminusILneg
                                                                                                                                                                                         => ( setminusIRneg
                                                                                                                                                                                           => ( setminusLsub
                                                                                                                                                                                             => ( setminusSubset1
                                                                                                                                                                                               => ( symdiffE
                                                                                                                                                                                                 => ( symdiffI1
                                                                                                                                                                                                   => ( symdiffI2
                                                                                                                                                                                                     => ( symdiffIneg1
                                                                                                                                                                                                       => ( symdiffIneg2
                                                                                                                                                                                                         => ( secondinupair
                                                                                                                                                                                                           => ( setukpairIL
                                                                                                                                                                                                             => ( setukpairIR
                                                                                                                                                                                                               => ( kpairiskpair
                                                                                                                                                                                                                 => ( kpairp
                                                                                                                                                                                                                   => ( singletonsubset
                                                                                                                                                                                                                     => ( singletoninpowerset
                                                                                                                                                                                                                       => ( singletoninpowunion
                                                                                                                                                                                                                         => ( upairset2E
                                                                                                                                                                                                                           => ( upairsubunion
                                                                                                                                                                                                                             => ( upairinpowunion
                                                                                                                                                                                                                               => ( ubforcartprodlem1
                                                                                                                                                                                                                                 => ( ubforcartprodlem2
                                                                                                                                                                                                                                   => ( ubforcartprodlem3
                                                                                                                                                                                                                                     => ( cartprodpairin
                                                                                                                                                                                                                                       => ( cartprodmempair1
                                                                                                                                                                                                                                         => ( cartprodmempair
                                                                                                                                                                                                                                           => ( setunionE2
                                                                                                                                                                                                                                             => ( setunionsingleton1
                                                                                                                                                                                                                                               => ( setunionsingleton2
                                                                                                                                                                                                                                                 => ( setunionsingleton
                                                                                                                                                                                                                                                   => ( singletonprop
                                                                                                                                                                                                                                                     => ( ex1E1
                                                                                                                                                                                                                                                       => ( ex1I
                                                                                                                                                                                                                                                         => ( ex1I2
                                                                                                                                                                                                                                                           => ( singletonsuniq
                                                                                                                                                                                                                                                             => ( setukpairinjL1
                                                                                                                                                                                                                                                               => ( kfstsingleton
                                                                                                                                                                                                                                                                 => ( theprop
                                                                                                                                                                                                                                                                   => ( kfstpairEq
                                                                                                                                                                                                                                                                     => ( cartprodfstin
                                                                                                                                                                                                                                                                       => ( setukpairinjL2
                                                                                                                                                                                                                                                                         => ( setukpairinjL
                                                                                                                                                                                                                                                                           => ( setukpairinjR11
                                                                                                                                                                                                                                                                             => ( setukpairinjR12
                                                                                                                                                                                                                                                                               => ( setukpairinjR1
                                                                                                                                                                                                                                                                                 => ( upairequniteq
                                                                                                                                                                                                                                                                                   => ( setukpairinjR2
                                                                                                                                                                                                                                                                                     => ( setukpairinjR
                                                                                                                                                                                                                                                                                       => ( ksndsingleton
                                                                                                                                                                                                                                                                                         => ( ksndpairEq
                                                                                                                                                                                                                                                                                           => ( kpairsurjEq
                                                                                                                                                                                                                                                                                             => ( cartprodsndin
                                                                                                                                                                                                                                                                                               => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                 => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                   => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                     => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                       => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                         => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                           => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                             => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                               => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                         => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                           => ( apProp
                                                                                                                                                                                                                                                                                                                             => ( app
                                                                                                                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                      ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                             => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4683]) ).

thf(f4689,plain,
    ( $false
    = ( powersetI
     => ( emptyinPowerset
       => ( emptyInPowerset
         => ( powersetE
           => ( setunionI
             => ( setunionE
               => ( subPowSU
                 => ( exuE2
                   => ( nonemptyImpWitness
                     => ( uniqinunit
                       => ( notinsingleton
                         => ( eqinunit
                           => ( singletonsswitch
                             => ( upairsetE
                               => ( upairsetIL
                                 => ( upairsetIR
                                   => ( emptyE1
                                     => ( vacuousDall
                                       => ( quantDeMorgan1
                                         => ( quantDeMorgan2
                                           => ( quantDeMorgan3
                                             => ( quantDeMorgan4
                                               => ( prop2setI
                                                 => ( prop2set2propI
                                                   => ( notdexE
                                                     => ( notdallE
                                                       => ( exuI1
                                                         => ( exuI3
                                                           => ( exuI2
                                                             => ( inCongP
                                                               => ( in__Cong
                                                                 => ( exuE3u
                                                                   => ( exu__Cong
                                                                     => ( emptyset__Cong
                                                                       => ( setadjoin__Cong
                                                                         => ( powerset__Cong
                                                                           => ( setunion__Cong
                                                                             => ( omega__Cong
                                                                               => ( exuEu
                                                                                 => ( descr__Cong
                                                                                   => ( dsetconstr__Cong
                                                                                     => ( subsetI1
                                                                                       => ( eqimpsubset2
                                                                                         => ( eqimpsubset1
                                                                                           => ( subsetI2
                                                                                             => ( emptysetsubset
                                                                                               => ( subsetE
                                                                                                 => ( subsetE2
                                                                                                   => ( notsubsetI
                                                                                                     => ( notequalI1
                                                                                                       => ( notequalI2
                                                                                                         => ( subsetRefl
                                                                                                           => ( subsetTrans
                                                                                                             => ( setadjoinSub
                                                                                                               => ( setadjoinSub2
                                                                                                                 => ( subset2powerset
                                                                                                                   => ( setextsub
                                                                                                                     => ( subsetemptysetimpeq
                                                                                                                       => ( powersetI1
                                                                                                                         => ( powersetE1
                                                                                                                           => ( inPowerset
                                                                                                                             => ( powersetsubset
                                                                                                                               => ( sepInPowerset
                                                                                                                                 => ( sepSubset
                                                                                                                                   => ( binunionIL
                                                                                                                                     => ( upairset2IR
                                                                                                                                       => ( binunionIR
                                                                                                                                         => ( binunionEcases
                                                                                                                                           => ( binunionE
                                                                                                                                             => ( binunionLsub
                                                                                                                                               => ( binunionRsub
                                                                                                                                                 => ( binintersectI
                                                                                                                                                   => ( binintersectSubset5
                                                                                                                                                     => ( binintersectEL
                                                                                                                                                       => ( binintersectLsub
                                                                                                                                                         => ( binintersectSubset2
                                                                                                                                                           => ( binintersectSubset3
                                                                                                                                                             => ( binintersectER
                                                                                                                                                               => ( disjointsetsI1
                                                                                                                                                                 => ( binintersectRsub
                                                                                                                                                                   => ( binintersectSubset4
                                                                                                                                                                     => ( binintersectSubset1
                                                                                                                                                                       => ( bs114d
                                                                                                                                                                         => ( setminusI
                                                                                                                                                                           => ( setminusEL
                                                                                                                                                                             => ( setminusER
                                                                                                                                                                               => ( setminusSubset2
                                                                                                                                                                                 => ( setminusERneg
                                                                                                                                                                                   => ( setminusELneg
                                                                                                                                                                                     => ( setminusILneg
                                                                                                                                                                                       => ( setminusIRneg
                                                                                                                                                                                         => ( setminusLsub
                                                                                                                                                                                           => ( setminusSubset1
                                                                                                                                                                                             => ( symdiffE
                                                                                                                                                                                               => ( symdiffI1
                                                                                                                                                                                                 => ( symdiffI2
                                                                                                                                                                                                   => ( symdiffIneg1
                                                                                                                                                                                                     => ( symdiffIneg2
                                                                                                                                                                                                       => ( secondinupair
                                                                                                                                                                                                         => ( setukpairIL
                                                                                                                                                                                                           => ( setukpairIR
                                                                                                                                                                                                             => ( kpairiskpair
                                                                                                                                                                                                               => ( kpairp
                                                                                                                                                                                                                 => ( singletonsubset
                                                                                                                                                                                                                   => ( singletoninpowerset
                                                                                                                                                                                                                     => ( singletoninpowunion
                                                                                                                                                                                                                       => ( upairset2E
                                                                                                                                                                                                                         => ( upairsubunion
                                                                                                                                                                                                                           => ( upairinpowunion
                                                                                                                                                                                                                             => ( ubforcartprodlem1
                                                                                                                                                                                                                               => ( ubforcartprodlem2
                                                                                                                                                                                                                                 => ( ubforcartprodlem3
                                                                                                                                                                                                                                   => ( cartprodpairin
                                                                                                                                                                                                                                     => ( cartprodmempair1
                                                                                                                                                                                                                                       => ( cartprodmempair
                                                                                                                                                                                                                                         => ( setunionE2
                                                                                                                                                                                                                                           => ( setunionsingleton1
                                                                                                                                                                                                                                             => ( setunionsingleton2
                                                                                                                                                                                                                                               => ( setunionsingleton
                                                                                                                                                                                                                                                 => ( singletonprop
                                                                                                                                                                                                                                                   => ( ex1E1
                                                                                                                                                                                                                                                     => ( ex1I
                                                                                                                                                                                                                                                       => ( ex1I2
                                                                                                                                                                                                                                                         => ( singletonsuniq
                                                                                                                                                                                                                                                           => ( setukpairinjL1
                                                                                                                                                                                                                                                             => ( kfstsingleton
                                                                                                                                                                                                                                                               => ( theprop
                                                                                                                                                                                                                                                                 => ( kfstpairEq
                                                                                                                                                                                                                                                                   => ( cartprodfstin
                                                                                                                                                                                                                                                                     => ( setukpairinjL2
                                                                                                                                                                                                                                                                       => ( setukpairinjL
                                                                                                                                                                                                                                                                         => ( setukpairinjR11
                                                                                                                                                                                                                                                                           => ( setukpairinjR12
                                                                                                                                                                                                                                                                             => ( setukpairinjR1
                                                                                                                                                                                                                                                                               => ( upairequniteq
                                                                                                                                                                                                                                                                                 => ( setukpairinjR2
                                                                                                                                                                                                                                                                                   => ( setukpairinjR
                                                                                                                                                                                                                                                                                     => ( ksndsingleton
                                                                                                                                                                                                                                                                                       => ( ksndpairEq
                                                                                                                                                                                                                                                                                         => ( kpairsurjEq
                                                                                                                                                                                                                                                                                           => ( cartprodsndin
                                                                                                                                                                                                                                                                                             => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                               => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                 => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                   => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                     => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                       => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                         => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                           => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                             => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                               => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                       => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                         => ( apProp
                                                                                                                                                                                                                                                                                                                           => ( app
                                                                                                                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                    ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                           => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4686]) ).

thf(f4692,plain,
    ( $false
    = ( emptyinPowerset
     => ( emptyInPowerset
       => ( powersetE
         => ( setunionI
           => ( setunionE
             => ( subPowSU
               => ( exuE2
                 => ( nonemptyImpWitness
                   => ( uniqinunit
                     => ( notinsingleton
                       => ( eqinunit
                         => ( singletonsswitch
                           => ( upairsetE
                             => ( upairsetIL
                               => ( upairsetIR
                                 => ( emptyE1
                                   => ( vacuousDall
                                     => ( quantDeMorgan1
                                       => ( quantDeMorgan2
                                         => ( quantDeMorgan3
                                           => ( quantDeMorgan4
                                             => ( prop2setI
                                               => ( prop2set2propI
                                                 => ( notdexE
                                                   => ( notdallE
                                                     => ( exuI1
                                                       => ( exuI3
                                                         => ( exuI2
                                                           => ( inCongP
                                                             => ( in__Cong
                                                               => ( exuE3u
                                                                 => ( exu__Cong
                                                                   => ( emptyset__Cong
                                                                     => ( setadjoin__Cong
                                                                       => ( powerset__Cong
                                                                         => ( setunion__Cong
                                                                           => ( omega__Cong
                                                                             => ( exuEu
                                                                               => ( descr__Cong
                                                                                 => ( dsetconstr__Cong
                                                                                   => ( subsetI1
                                                                                     => ( eqimpsubset2
                                                                                       => ( eqimpsubset1
                                                                                         => ( subsetI2
                                                                                           => ( emptysetsubset
                                                                                             => ( subsetE
                                                                                               => ( subsetE2
                                                                                                 => ( notsubsetI
                                                                                                   => ( notequalI1
                                                                                                     => ( notequalI2
                                                                                                       => ( subsetRefl
                                                                                                         => ( subsetTrans
                                                                                                           => ( setadjoinSub
                                                                                                             => ( setadjoinSub2
                                                                                                               => ( subset2powerset
                                                                                                                 => ( setextsub
                                                                                                                   => ( subsetemptysetimpeq
                                                                                                                     => ( powersetI1
                                                                                                                       => ( powersetE1
                                                                                                                         => ( inPowerset
                                                                                                                           => ( powersetsubset
                                                                                                                             => ( sepInPowerset
                                                                                                                               => ( sepSubset
                                                                                                                                 => ( binunionIL
                                                                                                                                   => ( upairset2IR
                                                                                                                                     => ( binunionIR
                                                                                                                                       => ( binunionEcases
                                                                                                                                         => ( binunionE
                                                                                                                                           => ( binunionLsub
                                                                                                                                             => ( binunionRsub
                                                                                                                                               => ( binintersectI
                                                                                                                                                 => ( binintersectSubset5
                                                                                                                                                   => ( binintersectEL
                                                                                                                                                     => ( binintersectLsub
                                                                                                                                                       => ( binintersectSubset2
                                                                                                                                                         => ( binintersectSubset3
                                                                                                                                                           => ( binintersectER
                                                                                                                                                             => ( disjointsetsI1
                                                                                                                                                               => ( binintersectRsub
                                                                                                                                                                 => ( binintersectSubset4
                                                                                                                                                                   => ( binintersectSubset1
                                                                                                                                                                     => ( bs114d
                                                                                                                                                                       => ( setminusI
                                                                                                                                                                         => ( setminusEL
                                                                                                                                                                           => ( setminusER
                                                                                                                                                                             => ( setminusSubset2
                                                                                                                                                                               => ( setminusERneg
                                                                                                                                                                                 => ( setminusELneg
                                                                                                                                                                                   => ( setminusILneg
                                                                                                                                                                                     => ( setminusIRneg
                                                                                                                                                                                       => ( setminusLsub
                                                                                                                                                                                         => ( setminusSubset1
                                                                                                                                                                                           => ( symdiffE
                                                                                                                                                                                             => ( symdiffI1
                                                                                                                                                                                               => ( symdiffI2
                                                                                                                                                                                                 => ( symdiffIneg1
                                                                                                                                                                                                   => ( symdiffIneg2
                                                                                                                                                                                                     => ( secondinupair
                                                                                                                                                                                                       => ( setukpairIL
                                                                                                                                                                                                         => ( setukpairIR
                                                                                                                                                                                                           => ( kpairiskpair
                                                                                                                                                                                                             => ( kpairp
                                                                                                                                                                                                               => ( singletonsubset
                                                                                                                                                                                                                 => ( singletoninpowerset
                                                                                                                                                                                                                   => ( singletoninpowunion
                                                                                                                                                                                                                     => ( upairset2E
                                                                                                                                                                                                                       => ( upairsubunion
                                                                                                                                                                                                                         => ( upairinpowunion
                                                                                                                                                                                                                           => ( ubforcartprodlem1
                                                                                                                                                                                                                             => ( ubforcartprodlem2
                                                                                                                                                                                                                               => ( ubforcartprodlem3
                                                                                                                                                                                                                                 => ( cartprodpairin
                                                                                                                                                                                                                                   => ( cartprodmempair1
                                                                                                                                                                                                                                     => ( cartprodmempair
                                                                                                                                                                                                                                       => ( setunionE2
                                                                                                                                                                                                                                         => ( setunionsingleton1
                                                                                                                                                                                                                                           => ( setunionsingleton2
                                                                                                                                                                                                                                             => ( setunionsingleton
                                                                                                                                                                                                                                               => ( singletonprop
                                                                                                                                                                                                                                                 => ( ex1E1
                                                                                                                                                                                                                                                   => ( ex1I
                                                                                                                                                                                                                                                     => ( ex1I2
                                                                                                                                                                                                                                                       => ( singletonsuniq
                                                                                                                                                                                                                                                         => ( setukpairinjL1
                                                                                                                                                                                                                                                           => ( kfstsingleton
                                                                                                                                                                                                                                                             => ( theprop
                                                                                                                                                                                                                                                               => ( kfstpairEq
                                                                                                                                                                                                                                                                 => ( cartprodfstin
                                                                                                                                                                                                                                                                   => ( setukpairinjL2
                                                                                                                                                                                                                                                                     => ( setukpairinjL
                                                                                                                                                                                                                                                                       => ( setukpairinjR11
                                                                                                                                                                                                                                                                         => ( setukpairinjR12
                                                                                                                                                                                                                                                                           => ( setukpairinjR1
                                                                                                                                                                                                                                                                             => ( upairequniteq
                                                                                                                                                                                                                                                                               => ( setukpairinjR2
                                                                                                                                                                                                                                                                                 => ( setukpairinjR
                                                                                                                                                                                                                                                                                   => ( ksndsingleton
                                                                                                                                                                                                                                                                                     => ( ksndpairEq
                                                                                                                                                                                                                                                                                       => ( kpairsurjEq
                                                                                                                                                                                                                                                                                         => ( cartprodsndin
                                                                                                                                                                                                                                                                                           => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                             => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                               => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                 => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                   => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                     => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                       => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                         => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                           => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                             => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                               => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                     => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                       => ( apProp
                                                                                                                                                                                                                                                                                                                         => ( app
                                                                                                                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                  ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                         => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4689]) ).

thf(f4695,plain,
    ( $false
    = ( emptyInPowerset
     => ( powersetE
       => ( setunionI
         => ( setunionE
           => ( subPowSU
             => ( exuE2
               => ( nonemptyImpWitness
                 => ( uniqinunit
                   => ( notinsingleton
                     => ( eqinunit
                       => ( singletonsswitch
                         => ( upairsetE
                           => ( upairsetIL
                             => ( upairsetIR
                               => ( emptyE1
                                 => ( vacuousDall
                                   => ( quantDeMorgan1
                                     => ( quantDeMorgan2
                                       => ( quantDeMorgan3
                                         => ( quantDeMorgan4
                                           => ( prop2setI
                                             => ( prop2set2propI
                                               => ( notdexE
                                                 => ( notdallE
                                                   => ( exuI1
                                                     => ( exuI3
                                                       => ( exuI2
                                                         => ( inCongP
                                                           => ( in__Cong
                                                             => ( exuE3u
                                                               => ( exu__Cong
                                                                 => ( emptyset__Cong
                                                                   => ( setadjoin__Cong
                                                                     => ( powerset__Cong
                                                                       => ( setunion__Cong
                                                                         => ( omega__Cong
                                                                           => ( exuEu
                                                                             => ( descr__Cong
                                                                               => ( dsetconstr__Cong
                                                                                 => ( subsetI1
                                                                                   => ( eqimpsubset2
                                                                                     => ( eqimpsubset1
                                                                                       => ( subsetI2
                                                                                         => ( emptysetsubset
                                                                                           => ( subsetE
                                                                                             => ( subsetE2
                                                                                               => ( notsubsetI
                                                                                                 => ( notequalI1
                                                                                                   => ( notequalI2
                                                                                                     => ( subsetRefl
                                                                                                       => ( subsetTrans
                                                                                                         => ( setadjoinSub
                                                                                                           => ( setadjoinSub2
                                                                                                             => ( subset2powerset
                                                                                                               => ( setextsub
                                                                                                                 => ( subsetemptysetimpeq
                                                                                                                   => ( powersetI1
                                                                                                                     => ( powersetE1
                                                                                                                       => ( inPowerset
                                                                                                                         => ( powersetsubset
                                                                                                                           => ( sepInPowerset
                                                                                                                             => ( sepSubset
                                                                                                                               => ( binunionIL
                                                                                                                                 => ( upairset2IR
                                                                                                                                   => ( binunionIR
                                                                                                                                     => ( binunionEcases
                                                                                                                                       => ( binunionE
                                                                                                                                         => ( binunionLsub
                                                                                                                                           => ( binunionRsub
                                                                                                                                             => ( binintersectI
                                                                                                                                               => ( binintersectSubset5
                                                                                                                                                 => ( binintersectEL
                                                                                                                                                   => ( binintersectLsub
                                                                                                                                                     => ( binintersectSubset2
                                                                                                                                                       => ( binintersectSubset3
                                                                                                                                                         => ( binintersectER
                                                                                                                                                           => ( disjointsetsI1
                                                                                                                                                             => ( binintersectRsub
                                                                                                                                                               => ( binintersectSubset4
                                                                                                                                                                 => ( binintersectSubset1
                                                                                                                                                                   => ( bs114d
                                                                                                                                                                     => ( setminusI
                                                                                                                                                                       => ( setminusEL
                                                                                                                                                                         => ( setminusER
                                                                                                                                                                           => ( setminusSubset2
                                                                                                                                                                             => ( setminusERneg
                                                                                                                                                                               => ( setminusELneg
                                                                                                                                                                                 => ( setminusILneg
                                                                                                                                                                                   => ( setminusIRneg
                                                                                                                                                                                     => ( setminusLsub
                                                                                                                                                                                       => ( setminusSubset1
                                                                                                                                                                                         => ( symdiffE
                                                                                                                                                                                           => ( symdiffI1
                                                                                                                                                                                             => ( symdiffI2
                                                                                                                                                                                               => ( symdiffIneg1
                                                                                                                                                                                                 => ( symdiffIneg2
                                                                                                                                                                                                   => ( secondinupair
                                                                                                                                                                                                     => ( setukpairIL
                                                                                                                                                                                                       => ( setukpairIR
                                                                                                                                                                                                         => ( kpairiskpair
                                                                                                                                                                                                           => ( kpairp
                                                                                                                                                                                                             => ( singletonsubset
                                                                                                                                                                                                               => ( singletoninpowerset
                                                                                                                                                                                                                 => ( singletoninpowunion
                                                                                                                                                                                                                   => ( upairset2E
                                                                                                                                                                                                                     => ( upairsubunion
                                                                                                                                                                                                                       => ( upairinpowunion
                                                                                                                                                                                                                         => ( ubforcartprodlem1
                                                                                                                                                                                                                           => ( ubforcartprodlem2
                                                                                                                                                                                                                             => ( ubforcartprodlem3
                                                                                                                                                                                                                               => ( cartprodpairin
                                                                                                                                                                                                                                 => ( cartprodmempair1
                                                                                                                                                                                                                                   => ( cartprodmempair
                                                                                                                                                                                                                                     => ( setunionE2
                                                                                                                                                                                                                                       => ( setunionsingleton1
                                                                                                                                                                                                                                         => ( setunionsingleton2
                                                                                                                                                                                                                                           => ( setunionsingleton
                                                                                                                                                                                                                                             => ( singletonprop
                                                                                                                                                                                                                                               => ( ex1E1
                                                                                                                                                                                                                                                 => ( ex1I
                                                                                                                                                                                                                                                   => ( ex1I2
                                                                                                                                                                                                                                                     => ( singletonsuniq
                                                                                                                                                                                                                                                       => ( setukpairinjL1
                                                                                                                                                                                                                                                         => ( kfstsingleton
                                                                                                                                                                                                                                                           => ( theprop
                                                                                                                                                                                                                                                             => ( kfstpairEq
                                                                                                                                                                                                                                                               => ( cartprodfstin
                                                                                                                                                                                                                                                                 => ( setukpairinjL2
                                                                                                                                                                                                                                                                   => ( setukpairinjL
                                                                                                                                                                                                                                                                     => ( setukpairinjR11
                                                                                                                                                                                                                                                                       => ( setukpairinjR12
                                                                                                                                                                                                                                                                         => ( setukpairinjR1
                                                                                                                                                                                                                                                                           => ( upairequniteq
                                                                                                                                                                                                                                                                             => ( setukpairinjR2
                                                                                                                                                                                                                                                                               => ( setukpairinjR
                                                                                                                                                                                                                                                                                 => ( ksndsingleton
                                                                                                                                                                                                                                                                                   => ( ksndpairEq
                                                                                                                                                                                                                                                                                     => ( kpairsurjEq
                                                                                                                                                                                                                                                                                       => ( cartprodsndin
                                                                                                                                                                                                                                                                                         => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                           => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                             => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                               => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                 => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                   => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                     => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                       => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                         => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                           => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                             => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                               => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                   => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                     => ( apProp
                                                                                                                                                                                                                                                                                                                       => ( app
                                                                                                                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                       => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4692]) ).

thf(f4699,plain,
    ( $false
    = ( powersetE
     => ( setunionI
       => ( setunionE
         => ( subPowSU
           => ( exuE2
             => ( nonemptyImpWitness
               => ( uniqinunit
                 => ( notinsingleton
                   => ( eqinunit
                     => ( singletonsswitch
                       => ( upairsetE
                         => ( upairsetIL
                           => ( upairsetIR
                             => ( emptyE1
                               => ( vacuousDall
                                 => ( quantDeMorgan1
                                   => ( quantDeMorgan2
                                     => ( quantDeMorgan3
                                       => ( quantDeMorgan4
                                         => ( prop2setI
                                           => ( prop2set2propI
                                             => ( notdexE
                                               => ( notdallE
                                                 => ( exuI1
                                                   => ( exuI3
                                                     => ( exuI2
                                                       => ( inCongP
                                                         => ( in__Cong
                                                           => ( exuE3u
                                                             => ( exu__Cong
                                                               => ( emptyset__Cong
                                                                 => ( setadjoin__Cong
                                                                   => ( powerset__Cong
                                                                     => ( setunion__Cong
                                                                       => ( omega__Cong
                                                                         => ( exuEu
                                                                           => ( descr__Cong
                                                                             => ( dsetconstr__Cong
                                                                               => ( subsetI1
                                                                                 => ( eqimpsubset2
                                                                                   => ( eqimpsubset1
                                                                                     => ( subsetI2
                                                                                       => ( emptysetsubset
                                                                                         => ( subsetE
                                                                                           => ( subsetE2
                                                                                             => ( notsubsetI
                                                                                               => ( notequalI1
                                                                                                 => ( notequalI2
                                                                                                   => ( subsetRefl
                                                                                                     => ( subsetTrans
                                                                                                       => ( setadjoinSub
                                                                                                         => ( setadjoinSub2
                                                                                                           => ( subset2powerset
                                                                                                             => ( setextsub
                                                                                                               => ( subsetemptysetimpeq
                                                                                                                 => ( powersetI1
                                                                                                                   => ( powersetE1
                                                                                                                     => ( inPowerset
                                                                                                                       => ( powersetsubset
                                                                                                                         => ( sepInPowerset
                                                                                                                           => ( sepSubset
                                                                                                                             => ( binunionIL
                                                                                                                               => ( upairset2IR
                                                                                                                                 => ( binunionIR
                                                                                                                                   => ( binunionEcases
                                                                                                                                     => ( binunionE
                                                                                                                                       => ( binunionLsub
                                                                                                                                         => ( binunionRsub
                                                                                                                                           => ( binintersectI
                                                                                                                                             => ( binintersectSubset5
                                                                                                                                               => ( binintersectEL
                                                                                                                                                 => ( binintersectLsub
                                                                                                                                                   => ( binintersectSubset2
                                                                                                                                                     => ( binintersectSubset3
                                                                                                                                                       => ( binintersectER
                                                                                                                                                         => ( disjointsetsI1
                                                                                                                                                           => ( binintersectRsub
                                                                                                                                                             => ( binintersectSubset4
                                                                                                                                                               => ( binintersectSubset1
                                                                                                                                                                 => ( bs114d
                                                                                                                                                                   => ( setminusI
                                                                                                                                                                     => ( setminusEL
                                                                                                                                                                       => ( setminusER
                                                                                                                                                                         => ( setminusSubset2
                                                                                                                                                                           => ( setminusERneg
                                                                                                                                                                             => ( setminusELneg
                                                                                                                                                                               => ( setminusILneg
                                                                                                                                                                                 => ( setminusIRneg
                                                                                                                                                                                   => ( setminusLsub
                                                                                                                                                                                     => ( setminusSubset1
                                                                                                                                                                                       => ( symdiffE
                                                                                                                                                                                         => ( symdiffI1
                                                                                                                                                                                           => ( symdiffI2
                                                                                                                                                                                             => ( symdiffIneg1
                                                                                                                                                                                               => ( symdiffIneg2
                                                                                                                                                                                                 => ( secondinupair
                                                                                                                                                                                                   => ( setukpairIL
                                                                                                                                                                                                     => ( setukpairIR
                                                                                                                                                                                                       => ( kpairiskpair
                                                                                                                                                                                                         => ( kpairp
                                                                                                                                                                                                           => ( singletonsubset
                                                                                                                                                                                                             => ( singletoninpowerset
                                                                                                                                                                                                               => ( singletoninpowunion
                                                                                                                                                                                                                 => ( upairset2E
                                                                                                                                                                                                                   => ( upairsubunion
                                                                                                                                                                                                                     => ( upairinpowunion
                                                                                                                                                                                                                       => ( ubforcartprodlem1
                                                                                                                                                                                                                         => ( ubforcartprodlem2
                                                                                                                                                                                                                           => ( ubforcartprodlem3
                                                                                                                                                                                                                             => ( cartprodpairin
                                                                                                                                                                                                                               => ( cartprodmempair1
                                                                                                                                                                                                                                 => ( cartprodmempair
                                                                                                                                                                                                                                   => ( setunionE2
                                                                                                                                                                                                                                     => ( setunionsingleton1
                                                                                                                                                                                                                                       => ( setunionsingleton2
                                                                                                                                                                                                                                         => ( setunionsingleton
                                                                                                                                                                                                                                           => ( singletonprop
                                                                                                                                                                                                                                             => ( ex1E1
                                                                                                                                                                                                                                               => ( ex1I
                                                                                                                                                                                                                                                 => ( ex1I2
                                                                                                                                                                                                                                                   => ( singletonsuniq
                                                                                                                                                                                                                                                     => ( setukpairinjL1
                                                                                                                                                                                                                                                       => ( kfstsingleton
                                                                                                                                                                                                                                                         => ( theprop
                                                                                                                                                                                                                                                           => ( kfstpairEq
                                                                                                                                                                                                                                                             => ( cartprodfstin
                                                                                                                                                                                                                                                               => ( setukpairinjL2
                                                                                                                                                                                                                                                                 => ( setukpairinjL
                                                                                                                                                                                                                                                                   => ( setukpairinjR11
                                                                                                                                                                                                                                                                     => ( setukpairinjR12
                                                                                                                                                                                                                                                                       => ( setukpairinjR1
                                                                                                                                                                                                                                                                         => ( upairequniteq
                                                                                                                                                                                                                                                                           => ( setukpairinjR2
                                                                                                                                                                                                                                                                             => ( setukpairinjR
                                                                                                                                                                                                                                                                               => ( ksndsingleton
                                                                                                                                                                                                                                                                                 => ( ksndpairEq
                                                                                                                                                                                                                                                                                   => ( kpairsurjEq
                                                                                                                                                                                                                                                                                     => ( cartprodsndin
                                                                                                                                                                                                                                                                                       => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                         => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                           => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                             => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                               => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                 => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                   => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                     => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                       => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                         => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                           => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                             => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                               => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                 => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                   => ( apProp
                                                                                                                                                                                                                                                                                                                     => ( app
                                                                                                                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                              ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                     => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4695]) ).

thf(f4702,plain,
    ( $false
    = ( setunionI
     => ( setunionE
       => ( subPowSU
         => ( exuE2
           => ( nonemptyImpWitness
             => ( uniqinunit
               => ( notinsingleton
                 => ( eqinunit
                   => ( singletonsswitch
                     => ( upairsetE
                       => ( upairsetIL
                         => ( upairsetIR
                           => ( emptyE1
                             => ( vacuousDall
                               => ( quantDeMorgan1
                                 => ( quantDeMorgan2
                                   => ( quantDeMorgan3
                                     => ( quantDeMorgan4
                                       => ( prop2setI
                                         => ( prop2set2propI
                                           => ( notdexE
                                             => ( notdallE
                                               => ( exuI1
                                                 => ( exuI3
                                                   => ( exuI2
                                                     => ( inCongP
                                                       => ( in__Cong
                                                         => ( exuE3u
                                                           => ( exu__Cong
                                                             => ( emptyset__Cong
                                                               => ( setadjoin__Cong
                                                                 => ( powerset__Cong
                                                                   => ( setunion__Cong
                                                                     => ( omega__Cong
                                                                       => ( exuEu
                                                                         => ( descr__Cong
                                                                           => ( dsetconstr__Cong
                                                                             => ( subsetI1
                                                                               => ( eqimpsubset2
                                                                                 => ( eqimpsubset1
                                                                                   => ( subsetI2
                                                                                     => ( emptysetsubset
                                                                                       => ( subsetE
                                                                                         => ( subsetE2
                                                                                           => ( notsubsetI
                                                                                             => ( notequalI1
                                                                                               => ( notequalI2
                                                                                                 => ( subsetRefl
                                                                                                   => ( subsetTrans
                                                                                                     => ( setadjoinSub
                                                                                                       => ( setadjoinSub2
                                                                                                         => ( subset2powerset
                                                                                                           => ( setextsub
                                                                                                             => ( subsetemptysetimpeq
                                                                                                               => ( powersetI1
                                                                                                                 => ( powersetE1
                                                                                                                   => ( inPowerset
                                                                                                                     => ( powersetsubset
                                                                                                                       => ( sepInPowerset
                                                                                                                         => ( sepSubset
                                                                                                                           => ( binunionIL
                                                                                                                             => ( upairset2IR
                                                                                                                               => ( binunionIR
                                                                                                                                 => ( binunionEcases
                                                                                                                                   => ( binunionE
                                                                                                                                     => ( binunionLsub
                                                                                                                                       => ( binunionRsub
                                                                                                                                         => ( binintersectI
                                                                                                                                           => ( binintersectSubset5
                                                                                                                                             => ( binintersectEL
                                                                                                                                               => ( binintersectLsub
                                                                                                                                                 => ( binintersectSubset2
                                                                                                                                                   => ( binintersectSubset3
                                                                                                                                                     => ( binintersectER
                                                                                                                                                       => ( disjointsetsI1
                                                                                                                                                         => ( binintersectRsub
                                                                                                                                                           => ( binintersectSubset4
                                                                                                                                                             => ( binintersectSubset1
                                                                                                                                                               => ( bs114d
                                                                                                                                                                 => ( setminusI
                                                                                                                                                                   => ( setminusEL
                                                                                                                                                                     => ( setminusER
                                                                                                                                                                       => ( setminusSubset2
                                                                                                                                                                         => ( setminusERneg
                                                                                                                                                                           => ( setminusELneg
                                                                                                                                                                             => ( setminusILneg
                                                                                                                                                                               => ( setminusIRneg
                                                                                                                                                                                 => ( setminusLsub
                                                                                                                                                                                   => ( setminusSubset1
                                                                                                                                                                                     => ( symdiffE
                                                                                                                                                                                       => ( symdiffI1
                                                                                                                                                                                         => ( symdiffI2
                                                                                                                                                                                           => ( symdiffIneg1
                                                                                                                                                                                             => ( symdiffIneg2
                                                                                                                                                                                               => ( secondinupair
                                                                                                                                                                                                 => ( setukpairIL
                                                                                                                                                                                                   => ( setukpairIR
                                                                                                                                                                                                     => ( kpairiskpair
                                                                                                                                                                                                       => ( kpairp
                                                                                                                                                                                                         => ( singletonsubset
                                                                                                                                                                                                           => ( singletoninpowerset
                                                                                                                                                                                                             => ( singletoninpowunion
                                                                                                                                                                                                               => ( upairset2E
                                                                                                                                                                                                                 => ( upairsubunion
                                                                                                                                                                                                                   => ( upairinpowunion
                                                                                                                                                                                                                     => ( ubforcartprodlem1
                                                                                                                                                                                                                       => ( ubforcartprodlem2
                                                                                                                                                                                                                         => ( ubforcartprodlem3
                                                                                                                                                                                                                           => ( cartprodpairin
                                                                                                                                                                                                                             => ( cartprodmempair1
                                                                                                                                                                                                                               => ( cartprodmempair
                                                                                                                                                                                                                                 => ( setunionE2
                                                                                                                                                                                                                                   => ( setunionsingleton1
                                                                                                                                                                                                                                     => ( setunionsingleton2
                                                                                                                                                                                                                                       => ( setunionsingleton
                                                                                                                                                                                                                                         => ( singletonprop
                                                                                                                                                                                                                                           => ( ex1E1
                                                                                                                                                                                                                                             => ( ex1I
                                                                                                                                                                                                                                               => ( ex1I2
                                                                                                                                                                                                                                                 => ( singletonsuniq
                                                                                                                                                                                                                                                   => ( setukpairinjL1
                                                                                                                                                                                                                                                     => ( kfstsingleton
                                                                                                                                                                                                                                                       => ( theprop
                                                                                                                                                                                                                                                         => ( kfstpairEq
                                                                                                                                                                                                                                                           => ( cartprodfstin
                                                                                                                                                                                                                                                             => ( setukpairinjL2
                                                                                                                                                                                                                                                               => ( setukpairinjL
                                                                                                                                                                                                                                                                 => ( setukpairinjR11
                                                                                                                                                                                                                                                                   => ( setukpairinjR12
                                                                                                                                                                                                                                                                     => ( setukpairinjR1
                                                                                                                                                                                                                                                                       => ( upairequniteq
                                                                                                                                                                                                                                                                         => ( setukpairinjR2
                                                                                                                                                                                                                                                                           => ( setukpairinjR
                                                                                                                                                                                                                                                                             => ( ksndsingleton
                                                                                                                                                                                                                                                                               => ( ksndpairEq
                                                                                                                                                                                                                                                                                 => ( kpairsurjEq
                                                                                                                                                                                                                                                                                   => ( cartprodsndin
                                                                                                                                                                                                                                                                                     => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                       => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                         => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                           => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                             => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                 => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                             => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                 => ( apProp
                                                                                                                                                                                                                                                                                                                   => ( app
                                                                                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                            ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                   => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4699]) ).

thf(f4704,plain,
    ( $false
    = ( setunionE
     => ( subPowSU
       => ( exuE2
         => ( nonemptyImpWitness
           => ( uniqinunit
             => ( notinsingleton
               => ( eqinunit
                 => ( singletonsswitch
                   => ( upairsetE
                     => ( upairsetIL
                       => ( upairsetIR
                         => ( emptyE1
                           => ( vacuousDall
                             => ( quantDeMorgan1
                               => ( quantDeMorgan2
                                 => ( quantDeMorgan3
                                   => ( quantDeMorgan4
                                     => ( prop2setI
                                       => ( prop2set2propI
                                         => ( notdexE
                                           => ( notdallE
                                             => ( exuI1
                                               => ( exuI3
                                                 => ( exuI2
                                                   => ( inCongP
                                                     => ( in__Cong
                                                       => ( exuE3u
                                                         => ( exu__Cong
                                                           => ( emptyset__Cong
                                                             => ( setadjoin__Cong
                                                               => ( powerset__Cong
                                                                 => ( setunion__Cong
                                                                   => ( omega__Cong
                                                                     => ( exuEu
                                                                       => ( descr__Cong
                                                                         => ( dsetconstr__Cong
                                                                           => ( subsetI1
                                                                             => ( eqimpsubset2
                                                                               => ( eqimpsubset1
                                                                                 => ( subsetI2
                                                                                   => ( emptysetsubset
                                                                                     => ( subsetE
                                                                                       => ( subsetE2
                                                                                         => ( notsubsetI
                                                                                           => ( notequalI1
                                                                                             => ( notequalI2
                                                                                               => ( subsetRefl
                                                                                                 => ( subsetTrans
                                                                                                   => ( setadjoinSub
                                                                                                     => ( setadjoinSub2
                                                                                                       => ( subset2powerset
                                                                                                         => ( setextsub
                                                                                                           => ( subsetemptysetimpeq
                                                                                                             => ( powersetI1
                                                                                                               => ( powersetE1
                                                                                                                 => ( inPowerset
                                                                                                                   => ( powersetsubset
                                                                                                                     => ( sepInPowerset
                                                                                                                       => ( sepSubset
                                                                                                                         => ( binunionIL
                                                                                                                           => ( upairset2IR
                                                                                                                             => ( binunionIR
                                                                                                                               => ( binunionEcases
                                                                                                                                 => ( binunionE
                                                                                                                                   => ( binunionLsub
                                                                                                                                     => ( binunionRsub
                                                                                                                                       => ( binintersectI
                                                                                                                                         => ( binintersectSubset5
                                                                                                                                           => ( binintersectEL
                                                                                                                                             => ( binintersectLsub
                                                                                                                                               => ( binintersectSubset2
                                                                                                                                                 => ( binintersectSubset3
                                                                                                                                                   => ( binintersectER
                                                                                                                                                     => ( disjointsetsI1
                                                                                                                                                       => ( binintersectRsub
                                                                                                                                                         => ( binintersectSubset4
                                                                                                                                                           => ( binintersectSubset1
                                                                                                                                                             => ( bs114d
                                                                                                                                                               => ( setminusI
                                                                                                                                                                 => ( setminusEL
                                                                                                                                                                   => ( setminusER
                                                                                                                                                                     => ( setminusSubset2
                                                                                                                                                                       => ( setminusERneg
                                                                                                                                                                         => ( setminusELneg
                                                                                                                                                                           => ( setminusILneg
                                                                                                                                                                             => ( setminusIRneg
                                                                                                                                                                               => ( setminusLsub
                                                                                                                                                                                 => ( setminusSubset1
                                                                                                                                                                                   => ( symdiffE
                                                                                                                                                                                     => ( symdiffI1
                                                                                                                                                                                       => ( symdiffI2
                                                                                                                                                                                         => ( symdiffIneg1
                                                                                                                                                                                           => ( symdiffIneg2
                                                                                                                                                                                             => ( secondinupair
                                                                                                                                                                                               => ( setukpairIL
                                                                                                                                                                                                 => ( setukpairIR
                                                                                                                                                                                                   => ( kpairiskpair
                                                                                                                                                                                                     => ( kpairp
                                                                                                                                                                                                       => ( singletonsubset
                                                                                                                                                                                                         => ( singletoninpowerset
                                                                                                                                                                                                           => ( singletoninpowunion
                                                                                                                                                                                                             => ( upairset2E
                                                                                                                                                                                                               => ( upairsubunion
                                                                                                                                                                                                                 => ( upairinpowunion
                                                                                                                                                                                                                   => ( ubforcartprodlem1
                                                                                                                                                                                                                     => ( ubforcartprodlem2
                                                                                                                                                                                                                       => ( ubforcartprodlem3
                                                                                                                                                                                                                         => ( cartprodpairin
                                                                                                                                                                                                                           => ( cartprodmempair1
                                                                                                                                                                                                                             => ( cartprodmempair
                                                                                                                                                                                                                               => ( setunionE2
                                                                                                                                                                                                                                 => ( setunionsingleton1
                                                                                                                                                                                                                                   => ( setunionsingleton2
                                                                                                                                                                                                                                     => ( setunionsingleton
                                                                                                                                                                                                                                       => ( singletonprop
                                                                                                                                                                                                                                         => ( ex1E1
                                                                                                                                                                                                                                           => ( ex1I
                                                                                                                                                                                                                                             => ( ex1I2
                                                                                                                                                                                                                                               => ( singletonsuniq
                                                                                                                                                                                                                                                 => ( setukpairinjL1
                                                                                                                                                                                                                                                   => ( kfstsingleton
                                                                                                                                                                                                                                                     => ( theprop
                                                                                                                                                                                                                                                       => ( kfstpairEq
                                                                                                                                                                                                                                                         => ( cartprodfstin
                                                                                                                                                                                                                                                           => ( setukpairinjL2
                                                                                                                                                                                                                                                             => ( setukpairinjL
                                                                                                                                                                                                                                                               => ( setukpairinjR11
                                                                                                                                                                                                                                                                 => ( setukpairinjR12
                                                                                                                                                                                                                                                                   => ( setukpairinjR1
                                                                                                                                                                                                                                                                     => ( upairequniteq
                                                                                                                                                                                                                                                                       => ( setukpairinjR2
                                                                                                                                                                                                                                                                         => ( setukpairinjR
                                                                                                                                                                                                                                                                           => ( ksndsingleton
                                                                                                                                                                                                                                                                             => ( ksndpairEq
                                                                                                                                                                                                                                                                               => ( kpairsurjEq
                                                                                                                                                                                                                                                                                 => ( cartprodsndin
                                                                                                                                                                                                                                                                                   => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                     => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                       => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                         => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                           => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                             => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                               => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                 => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                   => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                     => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                       => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                         => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                           => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                             => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                               => ( apProp
                                                                                                                                                                                                                                                                                                                 => ( app
                                                                                                                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                 => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4702]) ).

thf(f4708,plain,
    ( $false
    = ( subPowSU
     => ( exuE2
       => ( nonemptyImpWitness
         => ( uniqinunit
           => ( notinsingleton
             => ( eqinunit
               => ( singletonsswitch
                 => ( upairsetE
                   => ( upairsetIL
                     => ( upairsetIR
                       => ( emptyE1
                         => ( vacuousDall
                           => ( quantDeMorgan1
                             => ( quantDeMorgan2
                               => ( quantDeMorgan3
                                 => ( quantDeMorgan4
                                   => ( prop2setI
                                     => ( prop2set2propI
                                       => ( notdexE
                                         => ( notdallE
                                           => ( exuI1
                                             => ( exuI3
                                               => ( exuI2
                                                 => ( inCongP
                                                   => ( in__Cong
                                                     => ( exuE3u
                                                       => ( exu__Cong
                                                         => ( emptyset__Cong
                                                           => ( setadjoin__Cong
                                                             => ( powerset__Cong
                                                               => ( setunion__Cong
                                                                 => ( omega__Cong
                                                                   => ( exuEu
                                                                     => ( descr__Cong
                                                                       => ( dsetconstr__Cong
                                                                         => ( subsetI1
                                                                           => ( eqimpsubset2
                                                                             => ( eqimpsubset1
                                                                               => ( subsetI2
                                                                                 => ( emptysetsubset
                                                                                   => ( subsetE
                                                                                     => ( subsetE2
                                                                                       => ( notsubsetI
                                                                                         => ( notequalI1
                                                                                           => ( notequalI2
                                                                                             => ( subsetRefl
                                                                                               => ( subsetTrans
                                                                                                 => ( setadjoinSub
                                                                                                   => ( setadjoinSub2
                                                                                                     => ( subset2powerset
                                                                                                       => ( setextsub
                                                                                                         => ( subsetemptysetimpeq
                                                                                                           => ( powersetI1
                                                                                                             => ( powersetE1
                                                                                                               => ( inPowerset
                                                                                                                 => ( powersetsubset
                                                                                                                   => ( sepInPowerset
                                                                                                                     => ( sepSubset
                                                                                                                       => ( binunionIL
                                                                                                                         => ( upairset2IR
                                                                                                                           => ( binunionIR
                                                                                                                             => ( binunionEcases
                                                                                                                               => ( binunionE
                                                                                                                                 => ( binunionLsub
                                                                                                                                   => ( binunionRsub
                                                                                                                                     => ( binintersectI
                                                                                                                                       => ( binintersectSubset5
                                                                                                                                         => ( binintersectEL
                                                                                                                                           => ( binintersectLsub
                                                                                                                                             => ( binintersectSubset2
                                                                                                                                               => ( binintersectSubset3
                                                                                                                                                 => ( binintersectER
                                                                                                                                                   => ( disjointsetsI1
                                                                                                                                                     => ( binintersectRsub
                                                                                                                                                       => ( binintersectSubset4
                                                                                                                                                         => ( binintersectSubset1
                                                                                                                                                           => ( bs114d
                                                                                                                                                             => ( setminusI
                                                                                                                                                               => ( setminusEL
                                                                                                                                                                 => ( setminusER
                                                                                                                                                                   => ( setminusSubset2
                                                                                                                                                                     => ( setminusERneg
                                                                                                                                                                       => ( setminusELneg
                                                                                                                                                                         => ( setminusILneg
                                                                                                                                                                           => ( setminusIRneg
                                                                                                                                                                             => ( setminusLsub
                                                                                                                                                                               => ( setminusSubset1
                                                                                                                                                                                 => ( symdiffE
                                                                                                                                                                                   => ( symdiffI1
                                                                                                                                                                                     => ( symdiffI2
                                                                                                                                                                                       => ( symdiffIneg1
                                                                                                                                                                                         => ( symdiffIneg2
                                                                                                                                                                                           => ( secondinupair
                                                                                                                                                                                             => ( setukpairIL
                                                                                                                                                                                               => ( setukpairIR
                                                                                                                                                                                                 => ( kpairiskpair
                                                                                                                                                                                                   => ( kpairp
                                                                                                                                                                                                     => ( singletonsubset
                                                                                                                                                                                                       => ( singletoninpowerset
                                                                                                                                                                                                         => ( singletoninpowunion
                                                                                                                                                                                                           => ( upairset2E
                                                                                                                                                                                                             => ( upairsubunion
                                                                                                                                                                                                               => ( upairinpowunion
                                                                                                                                                                                                                 => ( ubforcartprodlem1
                                                                                                                                                                                                                   => ( ubforcartprodlem2
                                                                                                                                                                                                                     => ( ubforcartprodlem3
                                                                                                                                                                                                                       => ( cartprodpairin
                                                                                                                                                                                                                         => ( cartprodmempair1
                                                                                                                                                                                                                           => ( cartprodmempair
                                                                                                                                                                                                                             => ( setunionE2
                                                                                                                                                                                                                               => ( setunionsingleton1
                                                                                                                                                                                                                                 => ( setunionsingleton2
                                                                                                                                                                                                                                   => ( setunionsingleton
                                                                                                                                                                                                                                     => ( singletonprop
                                                                                                                                                                                                                                       => ( ex1E1
                                                                                                                                                                                                                                         => ( ex1I
                                                                                                                                                                                                                                           => ( ex1I2
                                                                                                                                                                                                                                             => ( singletonsuniq
                                                                                                                                                                                                                                               => ( setukpairinjL1
                                                                                                                                                                                                                                                 => ( kfstsingleton
                                                                                                                                                                                                                                                   => ( theprop
                                                                                                                                                                                                                                                     => ( kfstpairEq
                                                                                                                                                                                                                                                       => ( cartprodfstin
                                                                                                                                                                                                                                                         => ( setukpairinjL2
                                                                                                                                                                                                                                                           => ( setukpairinjL
                                                                                                                                                                                                                                                             => ( setukpairinjR11
                                                                                                                                                                                                                                                               => ( setukpairinjR12
                                                                                                                                                                                                                                                                 => ( setukpairinjR1
                                                                                                                                                                                                                                                                   => ( upairequniteq
                                                                                                                                                                                                                                                                     => ( setukpairinjR2
                                                                                                                                                                                                                                                                       => ( setukpairinjR
                                                                                                                                                                                                                                                                         => ( ksndsingleton
                                                                                                                                                                                                                                                                           => ( ksndpairEq
                                                                                                                                                                                                                                                                             => ( kpairsurjEq
                                                                                                                                                                                                                                                                               => ( cartprodsndin
                                                                                                                                                                                                                                                                                 => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                   => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                     => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                       => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                         => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                           => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                             => ( dpsetconstrI
                                                                                                                                                                                                                                                                                               => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                   => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                     => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                       => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                         => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                           => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                             => ( apProp
                                                                                                                                                                                                                                                                                                               => ( app
                                                                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                        ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                               => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4704]) ).

thf(f4711,plain,
    ( $false
    = ( exuE2
     => ( nonemptyImpWitness
       => ( uniqinunit
         => ( notinsingleton
           => ( eqinunit
             => ( singletonsswitch
               => ( upairsetE
                 => ( upairsetIL
                   => ( upairsetIR
                     => ( emptyE1
                       => ( vacuousDall
                         => ( quantDeMorgan1
                           => ( quantDeMorgan2
                             => ( quantDeMorgan3
                               => ( quantDeMorgan4
                                 => ( prop2setI
                                   => ( prop2set2propI
                                     => ( notdexE
                                       => ( notdallE
                                         => ( exuI1
                                           => ( exuI3
                                             => ( exuI2
                                               => ( inCongP
                                                 => ( in__Cong
                                                   => ( exuE3u
                                                     => ( exu__Cong
                                                       => ( emptyset__Cong
                                                         => ( setadjoin__Cong
                                                           => ( powerset__Cong
                                                             => ( setunion__Cong
                                                               => ( omega__Cong
                                                                 => ( exuEu
                                                                   => ( descr__Cong
                                                                     => ( dsetconstr__Cong
                                                                       => ( subsetI1
                                                                         => ( eqimpsubset2
                                                                           => ( eqimpsubset1
                                                                             => ( subsetI2
                                                                               => ( emptysetsubset
                                                                                 => ( subsetE
                                                                                   => ( subsetE2
                                                                                     => ( notsubsetI
                                                                                       => ( notequalI1
                                                                                         => ( notequalI2
                                                                                           => ( subsetRefl
                                                                                             => ( subsetTrans
                                                                                               => ( setadjoinSub
                                                                                                 => ( setadjoinSub2
                                                                                                   => ( subset2powerset
                                                                                                     => ( setextsub
                                                                                                       => ( subsetemptysetimpeq
                                                                                                         => ( powersetI1
                                                                                                           => ( powersetE1
                                                                                                             => ( inPowerset
                                                                                                               => ( powersetsubset
                                                                                                                 => ( sepInPowerset
                                                                                                                   => ( sepSubset
                                                                                                                     => ( binunionIL
                                                                                                                       => ( upairset2IR
                                                                                                                         => ( binunionIR
                                                                                                                           => ( binunionEcases
                                                                                                                             => ( binunionE
                                                                                                                               => ( binunionLsub
                                                                                                                                 => ( binunionRsub
                                                                                                                                   => ( binintersectI
                                                                                                                                     => ( binintersectSubset5
                                                                                                                                       => ( binintersectEL
                                                                                                                                         => ( binintersectLsub
                                                                                                                                           => ( binintersectSubset2
                                                                                                                                             => ( binintersectSubset3
                                                                                                                                               => ( binintersectER
                                                                                                                                                 => ( disjointsetsI1
                                                                                                                                                   => ( binintersectRsub
                                                                                                                                                     => ( binintersectSubset4
                                                                                                                                                       => ( binintersectSubset1
                                                                                                                                                         => ( bs114d
                                                                                                                                                           => ( setminusI
                                                                                                                                                             => ( setminusEL
                                                                                                                                                               => ( setminusER
                                                                                                                                                                 => ( setminusSubset2
                                                                                                                                                                   => ( setminusERneg
                                                                                                                                                                     => ( setminusELneg
                                                                                                                                                                       => ( setminusILneg
                                                                                                                                                                         => ( setminusIRneg
                                                                                                                                                                           => ( setminusLsub
                                                                                                                                                                             => ( setminusSubset1
                                                                                                                                                                               => ( symdiffE
                                                                                                                                                                                 => ( symdiffI1
                                                                                                                                                                                   => ( symdiffI2
                                                                                                                                                                                     => ( symdiffIneg1
                                                                                                                                                                                       => ( symdiffIneg2
                                                                                                                                                                                         => ( secondinupair
                                                                                                                                                                                           => ( setukpairIL
                                                                                                                                                                                             => ( setukpairIR
                                                                                                                                                                                               => ( kpairiskpair
                                                                                                                                                                                                 => ( kpairp
                                                                                                                                                                                                   => ( singletonsubset
                                                                                                                                                                                                     => ( singletoninpowerset
                                                                                                                                                                                                       => ( singletoninpowunion
                                                                                                                                                                                                         => ( upairset2E
                                                                                                                                                                                                           => ( upairsubunion
                                                                                                                                                                                                             => ( upairinpowunion
                                                                                                                                                                                                               => ( ubforcartprodlem1
                                                                                                                                                                                                                 => ( ubforcartprodlem2
                                                                                                                                                                                                                   => ( ubforcartprodlem3
                                                                                                                                                                                                                     => ( cartprodpairin
                                                                                                                                                                                                                       => ( cartprodmempair1
                                                                                                                                                                                                                         => ( cartprodmempair
                                                                                                                                                                                                                           => ( setunionE2
                                                                                                                                                                                                                             => ( setunionsingleton1
                                                                                                                                                                                                                               => ( setunionsingleton2
                                                                                                                                                                                                                                 => ( setunionsingleton
                                                                                                                                                                                                                                   => ( singletonprop
                                                                                                                                                                                                                                     => ( ex1E1
                                                                                                                                                                                                                                       => ( ex1I
                                                                                                                                                                                                                                         => ( ex1I2
                                                                                                                                                                                                                                           => ( singletonsuniq
                                                                                                                                                                                                                                             => ( setukpairinjL1
                                                                                                                                                                                                                                               => ( kfstsingleton
                                                                                                                                                                                                                                                 => ( theprop
                                                                                                                                                                                                                                                   => ( kfstpairEq
                                                                                                                                                                                                                                                     => ( cartprodfstin
                                                                                                                                                                                                                                                       => ( setukpairinjL2
                                                                                                                                                                                                                                                         => ( setukpairinjL
                                                                                                                                                                                                                                                           => ( setukpairinjR11
                                                                                                                                                                                                                                                             => ( setukpairinjR12
                                                                                                                                                                                                                                                               => ( setukpairinjR1
                                                                                                                                                                                                                                                                 => ( upairequniteq
                                                                                                                                                                                                                                                                   => ( setukpairinjR2
                                                                                                                                                                                                                                                                     => ( setukpairinjR
                                                                                                                                                                                                                                                                       => ( ksndsingleton
                                                                                                                                                                                                                                                                         => ( ksndpairEq
                                                                                                                                                                                                                                                                           => ( kpairsurjEq
                                                                                                                                                                                                                                                                             => ( cartprodsndin
                                                                                                                                                                                                                                                                               => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                 => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                   => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                     => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                       => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                         => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                           => ( dpsetconstrI
                                                                                                                                                                                                                                                                                             => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                               => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                 => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                   => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                     => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                       => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                         => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                           => ( apProp
                                                                                                                                                                                                                                                                                                             => ( app
                                                                                                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                              ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                      ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                             => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4708]) ).

thf(f4713,plain,
    ( $false
    = ( nonemptyImpWitness
     => ( uniqinunit
       => ( notinsingleton
         => ( eqinunit
           => ( singletonsswitch
             => ( upairsetE
               => ( upairsetIL
                 => ( upairsetIR
                   => ( emptyE1
                     => ( vacuousDall
                       => ( quantDeMorgan1
                         => ( quantDeMorgan2
                           => ( quantDeMorgan3
                             => ( quantDeMorgan4
                               => ( prop2setI
                                 => ( prop2set2propI
                                   => ( notdexE
                                     => ( notdallE
                                       => ( exuI1
                                         => ( exuI3
                                           => ( exuI2
                                             => ( inCongP
                                               => ( in__Cong
                                                 => ( exuE3u
                                                   => ( exu__Cong
                                                     => ( emptyset__Cong
                                                       => ( setadjoin__Cong
                                                         => ( powerset__Cong
                                                           => ( setunion__Cong
                                                             => ( omega__Cong
                                                               => ( exuEu
                                                                 => ( descr__Cong
                                                                   => ( dsetconstr__Cong
                                                                     => ( subsetI1
                                                                       => ( eqimpsubset2
                                                                         => ( eqimpsubset1
                                                                           => ( subsetI2
                                                                             => ( emptysetsubset
                                                                               => ( subsetE
                                                                                 => ( subsetE2
                                                                                   => ( notsubsetI
                                                                                     => ( notequalI1
                                                                                       => ( notequalI2
                                                                                         => ( subsetRefl
                                                                                           => ( subsetTrans
                                                                                             => ( setadjoinSub
                                                                                               => ( setadjoinSub2
                                                                                                 => ( subset2powerset
                                                                                                   => ( setextsub
                                                                                                     => ( subsetemptysetimpeq
                                                                                                       => ( powersetI1
                                                                                                         => ( powersetE1
                                                                                                           => ( inPowerset
                                                                                                             => ( powersetsubset
                                                                                                               => ( sepInPowerset
                                                                                                                 => ( sepSubset
                                                                                                                   => ( binunionIL
                                                                                                                     => ( upairset2IR
                                                                                                                       => ( binunionIR
                                                                                                                         => ( binunionEcases
                                                                                                                           => ( binunionE
                                                                                                                             => ( binunionLsub
                                                                                                                               => ( binunionRsub
                                                                                                                                 => ( binintersectI
                                                                                                                                   => ( binintersectSubset5
                                                                                                                                     => ( binintersectEL
                                                                                                                                       => ( binintersectLsub
                                                                                                                                         => ( binintersectSubset2
                                                                                                                                           => ( binintersectSubset3
                                                                                                                                             => ( binintersectER
                                                                                                                                               => ( disjointsetsI1
                                                                                                                                                 => ( binintersectRsub
                                                                                                                                                   => ( binintersectSubset4
                                                                                                                                                     => ( binintersectSubset1
                                                                                                                                                       => ( bs114d
                                                                                                                                                         => ( setminusI
                                                                                                                                                           => ( setminusEL
                                                                                                                                                             => ( setminusER
                                                                                                                                                               => ( setminusSubset2
                                                                                                                                                                 => ( setminusERneg
                                                                                                                                                                   => ( setminusELneg
                                                                                                                                                                     => ( setminusILneg
                                                                                                                                                                       => ( setminusIRneg
                                                                                                                                                                         => ( setminusLsub
                                                                                                                                                                           => ( setminusSubset1
                                                                                                                                                                             => ( symdiffE
                                                                                                                                                                               => ( symdiffI1
                                                                                                                                                                                 => ( symdiffI2
                                                                                                                                                                                   => ( symdiffIneg1
                                                                                                                                                                                     => ( symdiffIneg2
                                                                                                                                                                                       => ( secondinupair
                                                                                                                                                                                         => ( setukpairIL
                                                                                                                                                                                           => ( setukpairIR
                                                                                                                                                                                             => ( kpairiskpair
                                                                                                                                                                                               => ( kpairp
                                                                                                                                                                                                 => ( singletonsubset
                                                                                                                                                                                                   => ( singletoninpowerset
                                                                                                                                                                                                     => ( singletoninpowunion
                                                                                                                                                                                                       => ( upairset2E
                                                                                                                                                                                                         => ( upairsubunion
                                                                                                                                                                                                           => ( upairinpowunion
                                                                                                                                                                                                             => ( ubforcartprodlem1
                                                                                                                                                                                                               => ( ubforcartprodlem2
                                                                                                                                                                                                                 => ( ubforcartprodlem3
                                                                                                                                                                                                                   => ( cartprodpairin
                                                                                                                                                                                                                     => ( cartprodmempair1
                                                                                                                                                                                                                       => ( cartprodmempair
                                                                                                                                                                                                                         => ( setunionE2
                                                                                                                                                                                                                           => ( setunionsingleton1
                                                                                                                                                                                                                             => ( setunionsingleton2
                                                                                                                                                                                                                               => ( setunionsingleton
                                                                                                                                                                                                                                 => ( singletonprop
                                                                                                                                                                                                                                   => ( ex1E1
                                                                                                                                                                                                                                     => ( ex1I
                                                                                                                                                                                                                                       => ( ex1I2
                                                                                                                                                                                                                                         => ( singletonsuniq
                                                                                                                                                                                                                                           => ( setukpairinjL1
                                                                                                                                                                                                                                             => ( kfstsingleton
                                                                                                                                                                                                                                               => ( theprop
                                                                                                                                                                                                                                                 => ( kfstpairEq
                                                                                                                                                                                                                                                   => ( cartprodfstin
                                                                                                                                                                                                                                                     => ( setukpairinjL2
                                                                                                                                                                                                                                                       => ( setukpairinjL
                                                                                                                                                                                                                                                         => ( setukpairinjR11
                                                                                                                                                                                                                                                           => ( setukpairinjR12
                                                                                                                                                                                                                                                             => ( setukpairinjR1
                                                                                                                                                                                                                                                               => ( upairequniteq
                                                                                                                                                                                                                                                                 => ( setukpairinjR2
                                                                                                                                                                                                                                                                   => ( setukpairinjR
                                                                                                                                                                                                                                                                     => ( ksndsingleton
                                                                                                                                                                                                                                                                       => ( ksndpairEq
                                                                                                                                                                                                                                                                         => ( kpairsurjEq
                                                                                                                                                                                                                                                                           => ( cartprodsndin
                                                                                                                                                                                                                                                                             => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                               => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                 => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                   => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                     => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                       => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                         => ( dpsetconstrI
                                                                                                                                                                                                                                                                                           => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                             => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                               => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                 => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                   => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                     => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                       => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                         => ( apProp
                                                                                                                                                                                                                                                                                                           => ( app
                                                                                                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                            ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                    ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                           => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4711]) ).

thf(f4717,plain,
    ( $false
    = ( uniqinunit
     => ( notinsingleton
       => ( eqinunit
         => ( singletonsswitch
           => ( upairsetE
             => ( upairsetIL
               => ( upairsetIR
                 => ( emptyE1
                   => ( vacuousDall
                     => ( quantDeMorgan1
                       => ( quantDeMorgan2
                         => ( quantDeMorgan3
                           => ( quantDeMorgan4
                             => ( prop2setI
                               => ( prop2set2propI
                                 => ( notdexE
                                   => ( notdallE
                                     => ( exuI1
                                       => ( exuI3
                                         => ( exuI2
                                           => ( inCongP
                                             => ( in__Cong
                                               => ( exuE3u
                                                 => ( exu__Cong
                                                   => ( emptyset__Cong
                                                     => ( setadjoin__Cong
                                                       => ( powerset__Cong
                                                         => ( setunion__Cong
                                                           => ( omega__Cong
                                                             => ( exuEu
                                                               => ( descr__Cong
                                                                 => ( dsetconstr__Cong
                                                                   => ( subsetI1
                                                                     => ( eqimpsubset2
                                                                       => ( eqimpsubset1
                                                                         => ( subsetI2
                                                                           => ( emptysetsubset
                                                                             => ( subsetE
                                                                               => ( subsetE2
                                                                                 => ( notsubsetI
                                                                                   => ( notequalI1
                                                                                     => ( notequalI2
                                                                                       => ( subsetRefl
                                                                                         => ( subsetTrans
                                                                                           => ( setadjoinSub
                                                                                             => ( setadjoinSub2
                                                                                               => ( subset2powerset
                                                                                                 => ( setextsub
                                                                                                   => ( subsetemptysetimpeq
                                                                                                     => ( powersetI1
                                                                                                       => ( powersetE1
                                                                                                         => ( inPowerset
                                                                                                           => ( powersetsubset
                                                                                                             => ( sepInPowerset
                                                                                                               => ( sepSubset
                                                                                                                 => ( binunionIL
                                                                                                                   => ( upairset2IR
                                                                                                                     => ( binunionIR
                                                                                                                       => ( binunionEcases
                                                                                                                         => ( binunionE
                                                                                                                           => ( binunionLsub
                                                                                                                             => ( binunionRsub
                                                                                                                               => ( binintersectI
                                                                                                                                 => ( binintersectSubset5
                                                                                                                                   => ( binintersectEL
                                                                                                                                     => ( binintersectLsub
                                                                                                                                       => ( binintersectSubset2
                                                                                                                                         => ( binintersectSubset3
                                                                                                                                           => ( binintersectER
                                                                                                                                             => ( disjointsetsI1
                                                                                                                                               => ( binintersectRsub
                                                                                                                                                 => ( binintersectSubset4
                                                                                                                                                   => ( binintersectSubset1
                                                                                                                                                     => ( bs114d
                                                                                                                                                       => ( setminusI
                                                                                                                                                         => ( setminusEL
                                                                                                                                                           => ( setminusER
                                                                                                                                                             => ( setminusSubset2
                                                                                                                                                               => ( setminusERneg
                                                                                                                                                                 => ( setminusELneg
                                                                                                                                                                   => ( setminusILneg
                                                                                                                                                                     => ( setminusIRneg
                                                                                                                                                                       => ( setminusLsub
                                                                                                                                                                         => ( setminusSubset1
                                                                                                                                                                           => ( symdiffE
                                                                                                                                                                             => ( symdiffI1
                                                                                                                                                                               => ( symdiffI2
                                                                                                                                                                                 => ( symdiffIneg1
                                                                                                                                                                                   => ( symdiffIneg2
                                                                                                                                                                                     => ( secondinupair
                                                                                                                                                                                       => ( setukpairIL
                                                                                                                                                                                         => ( setukpairIR
                                                                                                                                                                                           => ( kpairiskpair
                                                                                                                                                                                             => ( kpairp
                                                                                                                                                                                               => ( singletonsubset
                                                                                                                                                                                                 => ( singletoninpowerset
                                                                                                                                                                                                   => ( singletoninpowunion
                                                                                                                                                                                                     => ( upairset2E
                                                                                                                                                                                                       => ( upairsubunion
                                                                                                                                                                                                         => ( upairinpowunion
                                                                                                                                                                                                           => ( ubforcartprodlem1
                                                                                                                                                                                                             => ( ubforcartprodlem2
                                                                                                                                                                                                               => ( ubforcartprodlem3
                                                                                                                                                                                                                 => ( cartprodpairin
                                                                                                                                                                                                                   => ( cartprodmempair1
                                                                                                                                                                                                                     => ( cartprodmempair
                                                                                                                                                                                                                       => ( setunionE2
                                                                                                                                                                                                                         => ( setunionsingleton1
                                                                                                                                                                                                                           => ( setunionsingleton2
                                                                                                                                                                                                                             => ( setunionsingleton
                                                                                                                                                                                                                               => ( singletonprop
                                                                                                                                                                                                                                 => ( ex1E1
                                                                                                                                                                                                                                   => ( ex1I
                                                                                                                                                                                                                                     => ( ex1I2
                                                                                                                                                                                                                                       => ( singletonsuniq
                                                                                                                                                                                                                                         => ( setukpairinjL1
                                                                                                                                                                                                                                           => ( kfstsingleton
                                                                                                                                                                                                                                             => ( theprop
                                                                                                                                                                                                                                               => ( kfstpairEq
                                                                                                                                                                                                                                                 => ( cartprodfstin
                                                                                                                                                                                                                                                   => ( setukpairinjL2
                                                                                                                                                                                                                                                     => ( setukpairinjL
                                                                                                                                                                                                                                                       => ( setukpairinjR11
                                                                                                                                                                                                                                                         => ( setukpairinjR12
                                                                                                                                                                                                                                                           => ( setukpairinjR1
                                                                                                                                                                                                                                                             => ( upairequniteq
                                                                                                                                                                                                                                                               => ( setukpairinjR2
                                                                                                                                                                                                                                                                 => ( setukpairinjR
                                                                                                                                                                                                                                                                   => ( ksndsingleton
                                                                                                                                                                                                                                                                     => ( ksndpairEq
                                                                                                                                                                                                                                                                       => ( kpairsurjEq
                                                                                                                                                                                                                                                                         => ( cartprodsndin
                                                                                                                                                                                                                                                                           => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                             => ( cartprodpairmemER
                                                                                                                                                                                                                                                                               => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                 => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                   => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                     => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                       => ( dpsetconstrI
                                                                                                                                                                                                                                                                                         => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                           => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                             => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                               => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                 => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                   => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                     => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                       => ( apProp
                                                                                                                                                                                                                                                                                                         => ( app
                                                                                                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                          ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                  ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                         => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4713]) ).

thf(f4720,plain,
    ( $false
    = ( notinsingleton
     => ( eqinunit
       => ( singletonsswitch
         => ( upairsetE
           => ( upairsetIL
             => ( upairsetIR
               => ( emptyE1
                 => ( vacuousDall
                   => ( quantDeMorgan1
                     => ( quantDeMorgan2
                       => ( quantDeMorgan3
                         => ( quantDeMorgan4
                           => ( prop2setI
                             => ( prop2set2propI
                               => ( notdexE
                                 => ( notdallE
                                   => ( exuI1
                                     => ( exuI3
                                       => ( exuI2
                                         => ( inCongP
                                           => ( in__Cong
                                             => ( exuE3u
                                               => ( exu__Cong
                                                 => ( emptyset__Cong
                                                   => ( setadjoin__Cong
                                                     => ( powerset__Cong
                                                       => ( setunion__Cong
                                                         => ( omega__Cong
                                                           => ( exuEu
                                                             => ( descr__Cong
                                                               => ( dsetconstr__Cong
                                                                 => ( subsetI1
                                                                   => ( eqimpsubset2
                                                                     => ( eqimpsubset1
                                                                       => ( subsetI2
                                                                         => ( emptysetsubset
                                                                           => ( subsetE
                                                                             => ( subsetE2
                                                                               => ( notsubsetI
                                                                                 => ( notequalI1
                                                                                   => ( notequalI2
                                                                                     => ( subsetRefl
                                                                                       => ( subsetTrans
                                                                                         => ( setadjoinSub
                                                                                           => ( setadjoinSub2
                                                                                             => ( subset2powerset
                                                                                               => ( setextsub
                                                                                                 => ( subsetemptysetimpeq
                                                                                                   => ( powersetI1
                                                                                                     => ( powersetE1
                                                                                                       => ( inPowerset
                                                                                                         => ( powersetsubset
                                                                                                           => ( sepInPowerset
                                                                                                             => ( sepSubset
                                                                                                               => ( binunionIL
                                                                                                                 => ( upairset2IR
                                                                                                                   => ( binunionIR
                                                                                                                     => ( binunionEcases
                                                                                                                       => ( binunionE
                                                                                                                         => ( binunionLsub
                                                                                                                           => ( binunionRsub
                                                                                                                             => ( binintersectI
                                                                                                                               => ( binintersectSubset5
                                                                                                                                 => ( binintersectEL
                                                                                                                                   => ( binintersectLsub
                                                                                                                                     => ( binintersectSubset2
                                                                                                                                       => ( binintersectSubset3
                                                                                                                                         => ( binintersectER
                                                                                                                                           => ( disjointsetsI1
                                                                                                                                             => ( binintersectRsub
                                                                                                                                               => ( binintersectSubset4
                                                                                                                                                 => ( binintersectSubset1
                                                                                                                                                   => ( bs114d
                                                                                                                                                     => ( setminusI
                                                                                                                                                       => ( setminusEL
                                                                                                                                                         => ( setminusER
                                                                                                                                                           => ( setminusSubset2
                                                                                                                                                             => ( setminusERneg
                                                                                                                                                               => ( setminusELneg
                                                                                                                                                                 => ( setminusILneg
                                                                                                                                                                   => ( setminusIRneg
                                                                                                                                                                     => ( setminusLsub
                                                                                                                                                                       => ( setminusSubset1
                                                                                                                                                                         => ( symdiffE
                                                                                                                                                                           => ( symdiffI1
                                                                                                                                                                             => ( symdiffI2
                                                                                                                                                                               => ( symdiffIneg1
                                                                                                                                                                                 => ( symdiffIneg2
                                                                                                                                                                                   => ( secondinupair
                                                                                                                                                                                     => ( setukpairIL
                                                                                                                                                                                       => ( setukpairIR
                                                                                                                                                                                         => ( kpairiskpair
                                                                                                                                                                                           => ( kpairp
                                                                                                                                                                                             => ( singletonsubset
                                                                                                                                                                                               => ( singletoninpowerset
                                                                                                                                                                                                 => ( singletoninpowunion
                                                                                                                                                                                                   => ( upairset2E
                                                                                                                                                                                                     => ( upairsubunion
                                                                                                                                                                                                       => ( upairinpowunion
                                                                                                                                                                                                         => ( ubforcartprodlem1
                                                                                                                                                                                                           => ( ubforcartprodlem2
                                                                                                                                                                                                             => ( ubforcartprodlem3
                                                                                                                                                                                                               => ( cartprodpairin
                                                                                                                                                                                                                 => ( cartprodmempair1
                                                                                                                                                                                                                   => ( cartprodmempair
                                                                                                                                                                                                                     => ( setunionE2
                                                                                                                                                                                                                       => ( setunionsingleton1
                                                                                                                                                                                                                         => ( setunionsingleton2
                                                                                                                                                                                                                           => ( setunionsingleton
                                                                                                                                                                                                                             => ( singletonprop
                                                                                                                                                                                                                               => ( ex1E1
                                                                                                                                                                                                                                 => ( ex1I
                                                                                                                                                                                                                                   => ( ex1I2
                                                                                                                                                                                                                                     => ( singletonsuniq
                                                                                                                                                                                                                                       => ( setukpairinjL1
                                                                                                                                                                                                                                         => ( kfstsingleton
                                                                                                                                                                                                                                           => ( theprop
                                                                                                                                                                                                                                             => ( kfstpairEq
                                                                                                                                                                                                                                               => ( cartprodfstin
                                                                                                                                                                                                                                                 => ( setukpairinjL2
                                                                                                                                                                                                                                                   => ( setukpairinjL
                                                                                                                                                                                                                                                     => ( setukpairinjR11
                                                                                                                                                                                                                                                       => ( setukpairinjR12
                                                                                                                                                                                                                                                         => ( setukpairinjR1
                                                                                                                                                                                                                                                           => ( upairequniteq
                                                                                                                                                                                                                                                             => ( setukpairinjR2
                                                                                                                                                                                                                                                               => ( setukpairinjR
                                                                                                                                                                                                                                                                 => ( ksndsingleton
                                                                                                                                                                                                                                                                   => ( ksndpairEq
                                                                                                                                                                                                                                                                     => ( kpairsurjEq
                                                                                                                                                                                                                                                                       => ( cartprodsndin
                                                                                                                                                                                                                                                                         => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                           => ( cartprodpairmemER
                                                                                                                                                                                                                                                                             => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                               => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                 => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                   => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                     => ( dpsetconstrI
                                                                                                                                                                                                                                                                                       => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                         => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                           => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                             => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                               => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                 => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                   => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                     => ( apProp
                                                                                                                                                                                                                                                                                                       => ( app
                                                                                                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                        ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                       => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4717]) ).

thf(f4723,plain,
    ( $false
    = ( eqinunit
     => ( singletonsswitch
       => ( upairsetE
         => ( upairsetIL
           => ( upairsetIR
             => ( emptyE1
               => ( vacuousDall
                 => ( quantDeMorgan1
                   => ( quantDeMorgan2
                     => ( quantDeMorgan3
                       => ( quantDeMorgan4
                         => ( prop2setI
                           => ( prop2set2propI
                             => ( notdexE
                               => ( notdallE
                                 => ( exuI1
                                   => ( exuI3
                                     => ( exuI2
                                       => ( inCongP
                                         => ( in__Cong
                                           => ( exuE3u
                                             => ( exu__Cong
                                               => ( emptyset__Cong
                                                 => ( setadjoin__Cong
                                                   => ( powerset__Cong
                                                     => ( setunion__Cong
                                                       => ( omega__Cong
                                                         => ( exuEu
                                                           => ( descr__Cong
                                                             => ( dsetconstr__Cong
                                                               => ( subsetI1
                                                                 => ( eqimpsubset2
                                                                   => ( eqimpsubset1
                                                                     => ( subsetI2
                                                                       => ( emptysetsubset
                                                                         => ( subsetE
                                                                           => ( subsetE2
                                                                             => ( notsubsetI
                                                                               => ( notequalI1
                                                                                 => ( notequalI2
                                                                                   => ( subsetRefl
                                                                                     => ( subsetTrans
                                                                                       => ( setadjoinSub
                                                                                         => ( setadjoinSub2
                                                                                           => ( subset2powerset
                                                                                             => ( setextsub
                                                                                               => ( subsetemptysetimpeq
                                                                                                 => ( powersetI1
                                                                                                   => ( powersetE1
                                                                                                     => ( inPowerset
                                                                                                       => ( powersetsubset
                                                                                                         => ( sepInPowerset
                                                                                                           => ( sepSubset
                                                                                                             => ( binunionIL
                                                                                                               => ( upairset2IR
                                                                                                                 => ( binunionIR
                                                                                                                   => ( binunionEcases
                                                                                                                     => ( binunionE
                                                                                                                       => ( binunionLsub
                                                                                                                         => ( binunionRsub
                                                                                                                           => ( binintersectI
                                                                                                                             => ( binintersectSubset5
                                                                                                                               => ( binintersectEL
                                                                                                                                 => ( binintersectLsub
                                                                                                                                   => ( binintersectSubset2
                                                                                                                                     => ( binintersectSubset3
                                                                                                                                       => ( binintersectER
                                                                                                                                         => ( disjointsetsI1
                                                                                                                                           => ( binintersectRsub
                                                                                                                                             => ( binintersectSubset4
                                                                                                                                               => ( binintersectSubset1
                                                                                                                                                 => ( bs114d
                                                                                                                                                   => ( setminusI
                                                                                                                                                     => ( setminusEL
                                                                                                                                                       => ( setminusER
                                                                                                                                                         => ( setminusSubset2
                                                                                                                                                           => ( setminusERneg
                                                                                                                                                             => ( setminusELneg
                                                                                                                                                               => ( setminusILneg
                                                                                                                                                                 => ( setminusIRneg
                                                                                                                                                                   => ( setminusLsub
                                                                                                                                                                     => ( setminusSubset1
                                                                                                                                                                       => ( symdiffE
                                                                                                                                                                         => ( symdiffI1
                                                                                                                                                                           => ( symdiffI2
                                                                                                                                                                             => ( symdiffIneg1
                                                                                                                                                                               => ( symdiffIneg2
                                                                                                                                                                                 => ( secondinupair
                                                                                                                                                                                   => ( setukpairIL
                                                                                                                                                                                     => ( setukpairIR
                                                                                                                                                                                       => ( kpairiskpair
                                                                                                                                                                                         => ( kpairp
                                                                                                                                                                                           => ( singletonsubset
                                                                                                                                                                                             => ( singletoninpowerset
                                                                                                                                                                                               => ( singletoninpowunion
                                                                                                                                                                                                 => ( upairset2E
                                                                                                                                                                                                   => ( upairsubunion
                                                                                                                                                                                                     => ( upairinpowunion
                                                                                                                                                                                                       => ( ubforcartprodlem1
                                                                                                                                                                                                         => ( ubforcartprodlem2
                                                                                                                                                                                                           => ( ubforcartprodlem3
                                                                                                                                                                                                             => ( cartprodpairin
                                                                                                                                                                                                               => ( cartprodmempair1
                                                                                                                                                                                                                 => ( cartprodmempair
                                                                                                                                                                                                                   => ( setunionE2
                                                                                                                                                                                                                     => ( setunionsingleton1
                                                                                                                                                                                                                       => ( setunionsingleton2
                                                                                                                                                                                                                         => ( setunionsingleton
                                                                                                                                                                                                                           => ( singletonprop
                                                                                                                                                                                                                             => ( ex1E1
                                                                                                                                                                                                                               => ( ex1I
                                                                                                                                                                                                                                 => ( ex1I2
                                                                                                                                                                                                                                   => ( singletonsuniq
                                                                                                                                                                                                                                     => ( setukpairinjL1
                                                                                                                                                                                                                                       => ( kfstsingleton
                                                                                                                                                                                                                                         => ( theprop
                                                                                                                                                                                                                                           => ( kfstpairEq
                                                                                                                                                                                                                                             => ( cartprodfstin
                                                                                                                                                                                                                                               => ( setukpairinjL2
                                                                                                                                                                                                                                                 => ( setukpairinjL
                                                                                                                                                                                                                                                   => ( setukpairinjR11
                                                                                                                                                                                                                                                     => ( setukpairinjR12
                                                                                                                                                                                                                                                       => ( setukpairinjR1
                                                                                                                                                                                                                                                         => ( upairequniteq
                                                                                                                                                                                                                                                           => ( setukpairinjR2
                                                                                                                                                                                                                                                             => ( setukpairinjR
                                                                                                                                                                                                                                                               => ( ksndsingleton
                                                                                                                                                                                                                                                                 => ( ksndpairEq
                                                                                                                                                                                                                                                                   => ( kpairsurjEq
                                                                                                                                                                                                                                                                     => ( cartprodsndin
                                                                                                                                                                                                                                                                       => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                         => ( cartprodpairmemER
                                                                                                                                                                                                                                                                           => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                             => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                               => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                 => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                   => ( dpsetconstrI
                                                                                                                                                                                                                                                                                     => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                       => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                         => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                           => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                             => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                               => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                 => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                   => ( apProp
                                                                                                                                                                                                                                                                                                     => ( app
                                                                                                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                      ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                              ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                     => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4720]) ).

thf(f4726,plain,
    ( $false
    = ( singletonsswitch
     => ( upairsetE
       => ( upairsetIL
         => ( upairsetIR
           => ( emptyE1
             => ( vacuousDall
               => ( quantDeMorgan1
                 => ( quantDeMorgan2
                   => ( quantDeMorgan3
                     => ( quantDeMorgan4
                       => ( prop2setI
                         => ( prop2set2propI
                           => ( notdexE
                             => ( notdallE
                               => ( exuI1
                                 => ( exuI3
                                   => ( exuI2
                                     => ( inCongP
                                       => ( in__Cong
                                         => ( exuE3u
                                           => ( exu__Cong
                                             => ( emptyset__Cong
                                               => ( setadjoin__Cong
                                                 => ( powerset__Cong
                                                   => ( setunion__Cong
                                                     => ( omega__Cong
                                                       => ( exuEu
                                                         => ( descr__Cong
                                                           => ( dsetconstr__Cong
                                                             => ( subsetI1
                                                               => ( eqimpsubset2
                                                                 => ( eqimpsubset1
                                                                   => ( subsetI2
                                                                     => ( emptysetsubset
                                                                       => ( subsetE
                                                                         => ( subsetE2
                                                                           => ( notsubsetI
                                                                             => ( notequalI1
                                                                               => ( notequalI2
                                                                                 => ( subsetRefl
                                                                                   => ( subsetTrans
                                                                                     => ( setadjoinSub
                                                                                       => ( setadjoinSub2
                                                                                         => ( subset2powerset
                                                                                           => ( setextsub
                                                                                             => ( subsetemptysetimpeq
                                                                                               => ( powersetI1
                                                                                                 => ( powersetE1
                                                                                                   => ( inPowerset
                                                                                                     => ( powersetsubset
                                                                                                       => ( sepInPowerset
                                                                                                         => ( sepSubset
                                                                                                           => ( binunionIL
                                                                                                             => ( upairset2IR
                                                                                                               => ( binunionIR
                                                                                                                 => ( binunionEcases
                                                                                                                   => ( binunionE
                                                                                                                     => ( binunionLsub
                                                                                                                       => ( binunionRsub
                                                                                                                         => ( binintersectI
                                                                                                                           => ( binintersectSubset5
                                                                                                                             => ( binintersectEL
                                                                                                                               => ( binintersectLsub
                                                                                                                                 => ( binintersectSubset2
                                                                                                                                   => ( binintersectSubset3
                                                                                                                                     => ( binintersectER
                                                                                                                                       => ( disjointsetsI1
                                                                                                                                         => ( binintersectRsub
                                                                                                                                           => ( binintersectSubset4
                                                                                                                                             => ( binintersectSubset1
                                                                                                                                               => ( bs114d
                                                                                                                                                 => ( setminusI
                                                                                                                                                   => ( setminusEL
                                                                                                                                                     => ( setminusER
                                                                                                                                                       => ( setminusSubset2
                                                                                                                                                         => ( setminusERneg
                                                                                                                                                           => ( setminusELneg
                                                                                                                                                             => ( setminusILneg
                                                                                                                                                               => ( setminusIRneg
                                                                                                                                                                 => ( setminusLsub
                                                                                                                                                                   => ( setminusSubset1
                                                                                                                                                                     => ( symdiffE
                                                                                                                                                                       => ( symdiffI1
                                                                                                                                                                         => ( symdiffI2
                                                                                                                                                                           => ( symdiffIneg1
                                                                                                                                                                             => ( symdiffIneg2
                                                                                                                                                                               => ( secondinupair
                                                                                                                                                                                 => ( setukpairIL
                                                                                                                                                                                   => ( setukpairIR
                                                                                                                                                                                     => ( kpairiskpair
                                                                                                                                                                                       => ( kpairp
                                                                                                                                                                                         => ( singletonsubset
                                                                                                                                                                                           => ( singletoninpowerset
                                                                                                                                                                                             => ( singletoninpowunion
                                                                                                                                                                                               => ( upairset2E
                                                                                                                                                                                                 => ( upairsubunion
                                                                                                                                                                                                   => ( upairinpowunion
                                                                                                                                                                                                     => ( ubforcartprodlem1
                                                                                                                                                                                                       => ( ubforcartprodlem2
                                                                                                                                                                                                         => ( ubforcartprodlem3
                                                                                                                                                                                                           => ( cartprodpairin
                                                                                                                                                                                                             => ( cartprodmempair1
                                                                                                                                                                                                               => ( cartprodmempair
                                                                                                                                                                                                                 => ( setunionE2
                                                                                                                                                                                                                   => ( setunionsingleton1
                                                                                                                                                                                                                     => ( setunionsingleton2
                                                                                                                                                                                                                       => ( setunionsingleton
                                                                                                                                                                                                                         => ( singletonprop
                                                                                                                                                                                                                           => ( ex1E1
                                                                                                                                                                                                                             => ( ex1I
                                                                                                                                                                                                                               => ( ex1I2
                                                                                                                                                                                                                                 => ( singletonsuniq
                                                                                                                                                                                                                                   => ( setukpairinjL1
                                                                                                                                                                                                                                     => ( kfstsingleton
                                                                                                                                                                                                                                       => ( theprop
                                                                                                                                                                                                                                         => ( kfstpairEq
                                                                                                                                                                                                                                           => ( cartprodfstin
                                                                                                                                                                                                                                             => ( setukpairinjL2
                                                                                                                                                                                                                                               => ( setukpairinjL
                                                                                                                                                                                                                                                 => ( setukpairinjR11
                                                                                                                                                                                                                                                   => ( setukpairinjR12
                                                                                                                                                                                                                                                     => ( setukpairinjR1
                                                                                                                                                                                                                                                       => ( upairequniteq
                                                                                                                                                                                                                                                         => ( setukpairinjR2
                                                                                                                                                                                                                                                           => ( setukpairinjR
                                                                                                                                                                                                                                                             => ( ksndsingleton
                                                                                                                                                                                                                                                               => ( ksndpairEq
                                                                                                                                                                                                                                                                 => ( kpairsurjEq
                                                                                                                                                                                                                                                                   => ( cartprodsndin
                                                                                                                                                                                                                                                                     => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                       => ( cartprodpairmemER
                                                                                                                                                                                                                                                                         => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                           => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                             => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                 => ( dpsetconstrI
                                                                                                                                                                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                             => ( dpsetconstrER
                                                                                                                                                                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                 => ( apProp
                                                                                                                                                                                                                                                                                                   => ( app
                                                                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                    ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                            ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                   => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4723]) ).

thf(f4728,plain,
    ( ( upairsetE
     => ( upairsetIL
       => ( upairsetIR
         => ( emptyE1
           => ( vacuousDall
             => ( quantDeMorgan1
               => ( quantDeMorgan2
                 => ( quantDeMorgan3
                   => ( quantDeMorgan4
                     => ( prop2setI
                       => ( prop2set2propI
                         => ( notdexE
                           => ( notdallE
                             => ( exuI1
                               => ( exuI3
                                 => ( exuI2
                                   => ( inCongP
                                     => ( in__Cong
                                       => ( exuE3u
                                         => ( exu__Cong
                                           => ( emptyset__Cong
                                             => ( setadjoin__Cong
                                               => ( powerset__Cong
                                                 => ( setunion__Cong
                                                   => ( omega__Cong
                                                     => ( exuEu
                                                       => ( descr__Cong
                                                         => ( dsetconstr__Cong
                                                           => ( subsetI1
                                                             => ( eqimpsubset2
                                                               => ( eqimpsubset1
                                                                 => ( subsetI2
                                                                   => ( emptysetsubset
                                                                     => ( subsetE
                                                                       => ( subsetE2
                                                                         => ( notsubsetI
                                                                           => ( notequalI1
                                                                             => ( notequalI2
                                                                               => ( subsetRefl
                                                                                 => ( subsetTrans
                                                                                   => ( setadjoinSub
                                                                                     => ( setadjoinSub2
                                                                                       => ( subset2powerset
                                                                                         => ( setextsub
                                                                                           => ( subsetemptysetimpeq
                                                                                             => ( powersetI1
                                                                                               => ( powersetE1
                                                                                                 => ( inPowerset
                                                                                                   => ( powersetsubset
                                                                                                     => ( sepInPowerset
                                                                                                       => ( sepSubset
                                                                                                         => ( binunionIL
                                                                                                           => ( upairset2IR
                                                                                                             => ( binunionIR
                                                                                                               => ( binunionEcases
                                                                                                                 => ( binunionE
                                                                                                                   => ( binunionLsub
                                                                                                                     => ( binunionRsub
                                                                                                                       => ( binintersectI
                                                                                                                         => ( binintersectSubset5
                                                                                                                           => ( binintersectEL
                                                                                                                             => ( binintersectLsub
                                                                                                                               => ( binintersectSubset2
                                                                                                                                 => ( binintersectSubset3
                                                                                                                                   => ( binintersectER
                                                                                                                                     => ( disjointsetsI1
                                                                                                                                       => ( binintersectRsub
                                                                                                                                         => ( binintersectSubset4
                                                                                                                                           => ( binintersectSubset1
                                                                                                                                             => ( bs114d
                                                                                                                                               => ( setminusI
                                                                                                                                                 => ( setminusEL
                                                                                                                                                   => ( setminusER
                                                                                                                                                     => ( setminusSubset2
                                                                                                                                                       => ( setminusERneg
                                                                                                                                                         => ( setminusELneg
                                                                                                                                                           => ( setminusILneg
                                                                                                                                                             => ( setminusIRneg
                                                                                                                                                               => ( setminusLsub
                                                                                                                                                                 => ( setminusSubset1
                                                                                                                                                                   => ( symdiffE
                                                                                                                                                                     => ( symdiffI1
                                                                                                                                                                       => ( symdiffI2
                                                                                                                                                                         => ( symdiffIneg1
                                                                                                                                                                           => ( symdiffIneg2
                                                                                                                                                                             => ( secondinupair
                                                                                                                                                                               => ( setukpairIL
                                                                                                                                                                                 => ( setukpairIR
                                                                                                                                                                                   => ( kpairiskpair
                                                                                                                                                                                     => ( kpairp
                                                                                                                                                                                       => ( singletonsubset
                                                                                                                                                                                         => ( singletoninpowerset
                                                                                                                                                                                           => ( singletoninpowunion
                                                                                                                                                                                             => ( upairset2E
                                                                                                                                                                                               => ( upairsubunion
                                                                                                                                                                                                 => ( upairinpowunion
                                                                                                                                                                                                   => ( ubforcartprodlem1
                                                                                                                                                                                                     => ( ubforcartprodlem2
                                                                                                                                                                                                       => ( ubforcartprodlem3
                                                                                                                                                                                                         => ( cartprodpairin
                                                                                                                                                                                                           => ( cartprodmempair1
                                                                                                                                                                                                             => ( cartprodmempair
                                                                                                                                                                                                               => ( setunionE2
                                                                                                                                                                                                                 => ( setunionsingleton1
                                                                                                                                                                                                                   => ( setunionsingleton2
                                                                                                                                                                                                                     => ( setunionsingleton
                                                                                                                                                                                                                       => ( singletonprop
                                                                                                                                                                                                                         => ( ex1E1
                                                                                                                                                                                                                           => ( ex1I
                                                                                                                                                                                                                             => ( ex1I2
                                                                                                                                                                                                                               => ( singletonsuniq
                                                                                                                                                                                                                                 => ( setukpairinjL1
                                                                                                                                                                                                                                   => ( kfstsingleton
                                                                                                                                                                                                                                     => ( theprop
                                                                                                                                                                                                                                       => ( kfstpairEq
                                                                                                                                                                                                                                         => ( cartprodfstin
                                                                                                                                                                                                                                           => ( setukpairinjL2
                                                                                                                                                                                                                                             => ( setukpairinjL
                                                                                                                                                                                                                                               => ( setukpairinjR11
                                                                                                                                                                                                                                                 => ( setukpairinjR12
                                                                                                                                                                                                                                                   => ( setukpairinjR1
                                                                                                                                                                                                                                                     => ( upairequniteq
                                                                                                                                                                                                                                                       => ( setukpairinjR2
                                                                                                                                                                                                                                                         => ( setukpairinjR
                                                                                                                                                                                                                                                           => ( ksndsingleton
                                                                                                                                                                                                                                                             => ( ksndpairEq
                                                                                                                                                                                                                                                               => ( kpairsurjEq
                                                                                                                                                                                                                                                                 => ( cartprodsndin
                                                                                                                                                                                                                                                                   => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                     => ( cartprodpairmemER
                                                                                                                                                                                                                                                                       => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                         => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                           => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                             => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                               => ( dpsetconstrI
                                                                                                                                                                                                                                                                                 => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                   => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                     => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                       => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                         => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                           => ( dpsetconstrER
                                                                                                                                                                                                                                                                                             => ( funcImageSingleton
                                                                                                                                                                                                                                                                                               => ( apProp
                                                                                                                                                                                                                                                                                                 => ( app
                                                                                                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                  ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                          ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                 => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4726]) ).

thf(f4732,plain,
    ( ( upairsetIL
     => ( upairsetIR
       => ( emptyE1
         => ( vacuousDall
           => ( quantDeMorgan1
             => ( quantDeMorgan2
               => ( quantDeMorgan3
                 => ( quantDeMorgan4
                   => ( prop2setI
                     => ( prop2set2propI
                       => ( notdexE
                         => ( notdallE
                           => ( exuI1
                             => ( exuI3
                               => ( exuI2
                                 => ( inCongP
                                   => ( in__Cong
                                     => ( exuE3u
                                       => ( exu__Cong
                                         => ( emptyset__Cong
                                           => ( setadjoin__Cong
                                             => ( powerset__Cong
                                               => ( setunion__Cong
                                                 => ( omega__Cong
                                                   => ( exuEu
                                                     => ( descr__Cong
                                                       => ( dsetconstr__Cong
                                                         => ( subsetI1
                                                           => ( eqimpsubset2
                                                             => ( eqimpsubset1
                                                               => ( subsetI2
                                                                 => ( emptysetsubset
                                                                   => ( subsetE
                                                                     => ( subsetE2
                                                                       => ( notsubsetI
                                                                         => ( notequalI1
                                                                           => ( notequalI2
                                                                             => ( subsetRefl
                                                                               => ( subsetTrans
                                                                                 => ( setadjoinSub
                                                                                   => ( setadjoinSub2
                                                                                     => ( subset2powerset
                                                                                       => ( setextsub
                                                                                         => ( subsetemptysetimpeq
                                                                                           => ( powersetI1
                                                                                             => ( powersetE1
                                                                                               => ( inPowerset
                                                                                                 => ( powersetsubset
                                                                                                   => ( sepInPowerset
                                                                                                     => ( sepSubset
                                                                                                       => ( binunionIL
                                                                                                         => ( upairset2IR
                                                                                                           => ( binunionIR
                                                                                                             => ( binunionEcases
                                                                                                               => ( binunionE
                                                                                                                 => ( binunionLsub
                                                                                                                   => ( binunionRsub
                                                                                                                     => ( binintersectI
                                                                                                                       => ( binintersectSubset5
                                                                                                                         => ( binintersectEL
                                                                                                                           => ( binintersectLsub
                                                                                                                             => ( binintersectSubset2
                                                                                                                               => ( binintersectSubset3
                                                                                                                                 => ( binintersectER
                                                                                                                                   => ( disjointsetsI1
                                                                                                                                     => ( binintersectRsub
                                                                                                                                       => ( binintersectSubset4
                                                                                                                                         => ( binintersectSubset1
                                                                                                                                           => ( bs114d
                                                                                                                                             => ( setminusI
                                                                                                                                               => ( setminusEL
                                                                                                                                                 => ( setminusER
                                                                                                                                                   => ( setminusSubset2
                                                                                                                                                     => ( setminusERneg
                                                                                                                                                       => ( setminusELneg
                                                                                                                                                         => ( setminusILneg
                                                                                                                                                           => ( setminusIRneg
                                                                                                                                                             => ( setminusLsub
                                                                                                                                                               => ( setminusSubset1
                                                                                                                                                                 => ( symdiffE
                                                                                                                                                                   => ( symdiffI1
                                                                                                                                                                     => ( symdiffI2
                                                                                                                                                                       => ( symdiffIneg1
                                                                                                                                                                         => ( symdiffIneg2
                                                                                                                                                                           => ( secondinupair
                                                                                                                                                                             => ( setukpairIL
                                                                                                                                                                               => ( setukpairIR
                                                                                                                                                                                 => ( kpairiskpair
                                                                                                                                                                                   => ( kpairp
                                                                                                                                                                                     => ( singletonsubset
                                                                                                                                                                                       => ( singletoninpowerset
                                                                                                                                                                                         => ( singletoninpowunion
                                                                                                                                                                                           => ( upairset2E
                                                                                                                                                                                             => ( upairsubunion
                                                                                                                                                                                               => ( upairinpowunion
                                                                                                                                                                                                 => ( ubforcartprodlem1
                                                                                                                                                                                                   => ( ubforcartprodlem2
                                                                                                                                                                                                     => ( ubforcartprodlem3
                                                                                                                                                                                                       => ( cartprodpairin
                                                                                                                                                                                                         => ( cartprodmempair1
                                                                                                                                                                                                           => ( cartprodmempair
                                                                                                                                                                                                             => ( setunionE2
                                                                                                                                                                                                               => ( setunionsingleton1
                                                                                                                                                                                                                 => ( setunionsingleton2
                                                                                                                                                                                                                   => ( setunionsingleton
                                                                                                                                                                                                                     => ( singletonprop
                                                                                                                                                                                                                       => ( ex1E1
                                                                                                                                                                                                                         => ( ex1I
                                                                                                                                                                                                                           => ( ex1I2
                                                                                                                                                                                                                             => ( singletonsuniq
                                                                                                                                                                                                                               => ( setukpairinjL1
                                                                                                                                                                                                                                 => ( kfstsingleton
                                                                                                                                                                                                                                   => ( theprop
                                                                                                                                                                                                                                     => ( kfstpairEq
                                                                                                                                                                                                                                       => ( cartprodfstin
                                                                                                                                                                                                                                         => ( setukpairinjL2
                                                                                                                                                                                                                                           => ( setukpairinjL
                                                                                                                                                                                                                                             => ( setukpairinjR11
                                                                                                                                                                                                                                               => ( setukpairinjR12
                                                                                                                                                                                                                                                 => ( setukpairinjR1
                                                                                                                                                                                                                                                   => ( upairequniteq
                                                                                                                                                                                                                                                     => ( setukpairinjR2
                                                                                                                                                                                                                                                       => ( setukpairinjR
                                                                                                                                                                                                                                                         => ( ksndsingleton
                                                                                                                                                                                                                                                           => ( ksndpairEq
                                                                                                                                                                                                                                                             => ( kpairsurjEq
                                                                                                                                                                                                                                                               => ( cartprodsndin
                                                                                                                                                                                                                                                                 => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                   => ( cartprodpairmemER
                                                                                                                                                                                                                                                                     => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                       => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                         => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                           => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                             => ( dpsetconstrI
                                                                                                                                                                                                                                                                               => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                   => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                     => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                       => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                         => ( dpsetconstrER
                                                                                                                                                                                                                                                                                           => ( funcImageSingleton
                                                                                                                                                                                                                                                                                             => ( apProp
                                                                                                                                                                                                                                                                                               => ( app
                                                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                        ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                               => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4728]) ).

thf(f4735,plain,
    ( ( upairsetIR
     => ( emptyE1
       => ( vacuousDall
         => ( quantDeMorgan1
           => ( quantDeMorgan2
             => ( quantDeMorgan3
               => ( quantDeMorgan4
                 => ( prop2setI
                   => ( prop2set2propI
                     => ( notdexE
                       => ( notdallE
                         => ( exuI1
                           => ( exuI3
                             => ( exuI2
                               => ( inCongP
                                 => ( in__Cong
                                   => ( exuE3u
                                     => ( exu__Cong
                                       => ( emptyset__Cong
                                         => ( setadjoin__Cong
                                           => ( powerset__Cong
                                             => ( setunion__Cong
                                               => ( omega__Cong
                                                 => ( exuEu
                                                   => ( descr__Cong
                                                     => ( dsetconstr__Cong
                                                       => ( subsetI1
                                                         => ( eqimpsubset2
                                                           => ( eqimpsubset1
                                                             => ( subsetI2
                                                               => ( emptysetsubset
                                                                 => ( subsetE
                                                                   => ( subsetE2
                                                                     => ( notsubsetI
                                                                       => ( notequalI1
                                                                         => ( notequalI2
                                                                           => ( subsetRefl
                                                                             => ( subsetTrans
                                                                               => ( setadjoinSub
                                                                                 => ( setadjoinSub2
                                                                                   => ( subset2powerset
                                                                                     => ( setextsub
                                                                                       => ( subsetemptysetimpeq
                                                                                         => ( powersetI1
                                                                                           => ( powersetE1
                                                                                             => ( inPowerset
                                                                                               => ( powersetsubset
                                                                                                 => ( sepInPowerset
                                                                                                   => ( sepSubset
                                                                                                     => ( binunionIL
                                                                                                       => ( upairset2IR
                                                                                                         => ( binunionIR
                                                                                                           => ( binunionEcases
                                                                                                             => ( binunionE
                                                                                                               => ( binunionLsub
                                                                                                                 => ( binunionRsub
                                                                                                                   => ( binintersectI
                                                                                                                     => ( binintersectSubset5
                                                                                                                       => ( binintersectEL
                                                                                                                         => ( binintersectLsub
                                                                                                                           => ( binintersectSubset2
                                                                                                                             => ( binintersectSubset3
                                                                                                                               => ( binintersectER
                                                                                                                                 => ( disjointsetsI1
                                                                                                                                   => ( binintersectRsub
                                                                                                                                     => ( binintersectSubset4
                                                                                                                                       => ( binintersectSubset1
                                                                                                                                         => ( bs114d
                                                                                                                                           => ( setminusI
                                                                                                                                             => ( setminusEL
                                                                                                                                               => ( setminusER
                                                                                                                                                 => ( setminusSubset2
                                                                                                                                                   => ( setminusERneg
                                                                                                                                                     => ( setminusELneg
                                                                                                                                                       => ( setminusILneg
                                                                                                                                                         => ( setminusIRneg
                                                                                                                                                           => ( setminusLsub
                                                                                                                                                             => ( setminusSubset1
                                                                                                                                                               => ( symdiffE
                                                                                                                                                                 => ( symdiffI1
                                                                                                                                                                   => ( symdiffI2
                                                                                                                                                                     => ( symdiffIneg1
                                                                                                                                                                       => ( symdiffIneg2
                                                                                                                                                                         => ( secondinupair
                                                                                                                                                                           => ( setukpairIL
                                                                                                                                                                             => ( setukpairIR
                                                                                                                                                                               => ( kpairiskpair
                                                                                                                                                                                 => ( kpairp
                                                                                                                                                                                   => ( singletonsubset
                                                                                                                                                                                     => ( singletoninpowerset
                                                                                                                                                                                       => ( singletoninpowunion
                                                                                                                                                                                         => ( upairset2E
                                                                                                                                                                                           => ( upairsubunion
                                                                                                                                                                                             => ( upairinpowunion
                                                                                                                                                                                               => ( ubforcartprodlem1
                                                                                                                                                                                                 => ( ubforcartprodlem2
                                                                                                                                                                                                   => ( ubforcartprodlem3
                                                                                                                                                                                                     => ( cartprodpairin
                                                                                                                                                                                                       => ( cartprodmempair1
                                                                                                                                                                                                         => ( cartprodmempair
                                                                                                                                                                                                           => ( setunionE2
                                                                                                                                                                                                             => ( setunionsingleton1
                                                                                                                                                                                                               => ( setunionsingleton2
                                                                                                                                                                                                                 => ( setunionsingleton
                                                                                                                                                                                                                   => ( singletonprop
                                                                                                                                                                                                                     => ( ex1E1
                                                                                                                                                                                                                       => ( ex1I
                                                                                                                                                                                                                         => ( ex1I2
                                                                                                                                                                                                                           => ( singletonsuniq
                                                                                                                                                                                                                             => ( setukpairinjL1
                                                                                                                                                                                                                               => ( kfstsingleton
                                                                                                                                                                                                                                 => ( theprop
                                                                                                                                                                                                                                   => ( kfstpairEq
                                                                                                                                                                                                                                     => ( cartprodfstin
                                                                                                                                                                                                                                       => ( setukpairinjL2
                                                                                                                                                                                                                                         => ( setukpairinjL
                                                                                                                                                                                                                                           => ( setukpairinjR11
                                                                                                                                                                                                                                             => ( setukpairinjR12
                                                                                                                                                                                                                                               => ( setukpairinjR1
                                                                                                                                                                                                                                                 => ( upairequniteq
                                                                                                                                                                                                                                                   => ( setukpairinjR2
                                                                                                                                                                                                                                                     => ( setukpairinjR
                                                                                                                                                                                                                                                       => ( ksndsingleton
                                                                                                                                                                                                                                                         => ( ksndpairEq
                                                                                                                                                                                                                                                           => ( kpairsurjEq
                                                                                                                                                                                                                                                             => ( cartprodsndin
                                                                                                                                                                                                                                                               => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                 => ( cartprodpairmemER
                                                                                                                                                                                                                                                                   => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                     => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                       => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                         => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                           => ( dpsetconstrI
                                                                                                                                                                                                                                                                             => ( dpsetconstrSub
                                                                                                                                                                                                                                                                               => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                 => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                   => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                     => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                       => ( dpsetconstrER
                                                                                                                                                                                                                                                                                         => ( funcImageSingleton
                                                                                                                                                                                                                                                                                           => ( apProp
                                                                                                                                                                                                                                                                                             => ( app
                                                                                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                              ( ( in @ Y0
                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                      ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                             => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                            ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4732]) ).

thf(f4738,plain,
    ( $false
    = ( emptyE1
     => ( vacuousDall
       => ( quantDeMorgan1
         => ( quantDeMorgan2
           => ( quantDeMorgan3
             => ( quantDeMorgan4
               => ( prop2setI
                 => ( prop2set2propI
                   => ( notdexE
                     => ( notdallE
                       => ( exuI1
                         => ( exuI3
                           => ( exuI2
                             => ( inCongP
                               => ( in__Cong
                                 => ( exuE3u
                                   => ( exu__Cong
                                     => ( emptyset__Cong
                                       => ( setadjoin__Cong
                                         => ( powerset__Cong
                                           => ( setunion__Cong
                                             => ( omega__Cong
                                               => ( exuEu
                                                 => ( descr__Cong
                                                   => ( dsetconstr__Cong
                                                     => ( subsetI1
                                                       => ( eqimpsubset2
                                                         => ( eqimpsubset1
                                                           => ( subsetI2
                                                             => ( emptysetsubset
                                                               => ( subsetE
                                                                 => ( subsetE2
                                                                   => ( notsubsetI
                                                                     => ( notequalI1
                                                                       => ( notequalI2
                                                                         => ( subsetRefl
                                                                           => ( subsetTrans
                                                                             => ( setadjoinSub
                                                                               => ( setadjoinSub2
                                                                                 => ( subset2powerset
                                                                                   => ( setextsub
                                                                                     => ( subsetemptysetimpeq
                                                                                       => ( powersetI1
                                                                                         => ( powersetE1
                                                                                           => ( inPowerset
                                                                                             => ( powersetsubset
                                                                                               => ( sepInPowerset
                                                                                                 => ( sepSubset
                                                                                                   => ( binunionIL
                                                                                                     => ( upairset2IR
                                                                                                       => ( binunionIR
                                                                                                         => ( binunionEcases
                                                                                                           => ( binunionE
                                                                                                             => ( binunionLsub
                                                                                                               => ( binunionRsub
                                                                                                                 => ( binintersectI
                                                                                                                   => ( binintersectSubset5
                                                                                                                     => ( binintersectEL
                                                                                                                       => ( binintersectLsub
                                                                                                                         => ( binintersectSubset2
                                                                                                                           => ( binintersectSubset3
                                                                                                                             => ( binintersectER
                                                                                                                               => ( disjointsetsI1
                                                                                                                                 => ( binintersectRsub
                                                                                                                                   => ( binintersectSubset4
                                                                                                                                     => ( binintersectSubset1
                                                                                                                                       => ( bs114d
                                                                                                                                         => ( setminusI
                                                                                                                                           => ( setminusEL
                                                                                                                                             => ( setminusER
                                                                                                                                               => ( setminusSubset2
                                                                                                                                                 => ( setminusERneg
                                                                                                                                                   => ( setminusELneg
                                                                                                                                                     => ( setminusILneg
                                                                                                                                                       => ( setminusIRneg
                                                                                                                                                         => ( setminusLsub
                                                                                                                                                           => ( setminusSubset1
                                                                                                                                                             => ( symdiffE
                                                                                                                                                               => ( symdiffI1
                                                                                                                                                                 => ( symdiffI2
                                                                                                                                                                   => ( symdiffIneg1
                                                                                                                                                                     => ( symdiffIneg2
                                                                                                                                                                       => ( secondinupair
                                                                                                                                                                         => ( setukpairIL
                                                                                                                                                                           => ( setukpairIR
                                                                                                                                                                             => ( kpairiskpair
                                                                                                                                                                               => ( kpairp
                                                                                                                                                                                 => ( singletonsubset
                                                                                                                                                                                   => ( singletoninpowerset
                                                                                                                                                                                     => ( singletoninpowunion
                                                                                                                                                                                       => ( upairset2E
                                                                                                                                                                                         => ( upairsubunion
                                                                                                                                                                                           => ( upairinpowunion
                                                                                                                                                                                             => ( ubforcartprodlem1
                                                                                                                                                                                               => ( ubforcartprodlem2
                                                                                                                                                                                                 => ( ubforcartprodlem3
                                                                                                                                                                                                   => ( cartprodpairin
                                                                                                                                                                                                     => ( cartprodmempair1
                                                                                                                                                                                                       => ( cartprodmempair
                                                                                                                                                                                                         => ( setunionE2
                                                                                                                                                                                                           => ( setunionsingleton1
                                                                                                                                                                                                             => ( setunionsingleton2
                                                                                                                                                                                                               => ( setunionsingleton
                                                                                                                                                                                                                 => ( singletonprop
                                                                                                                                                                                                                   => ( ex1E1
                                                                                                                                                                                                                     => ( ex1I
                                                                                                                                                                                                                       => ( ex1I2
                                                                                                                                                                                                                         => ( singletonsuniq
                                                                                                                                                                                                                           => ( setukpairinjL1
                                                                                                                                                                                                                             => ( kfstsingleton
                                                                                                                                                                                                                               => ( theprop
                                                                                                                                                                                                                                 => ( kfstpairEq
                                                                                                                                                                                                                                   => ( cartprodfstin
                                                                                                                                                                                                                                     => ( setukpairinjL2
                                                                                                                                                                                                                                       => ( setukpairinjL
                                                                                                                                                                                                                                         => ( setukpairinjR11
                                                                                                                                                                                                                                           => ( setukpairinjR12
                                                                                                                                                                                                                                             => ( setukpairinjR1
                                                                                                                                                                                                                                               => ( upairequniteq
                                                                                                                                                                                                                                                 => ( setukpairinjR2
                                                                                                                                                                                                                                                   => ( setukpairinjR
                                                                                                                                                                                                                                                     => ( ksndsingleton
                                                                                                                                                                                                                                                       => ( ksndpairEq
                                                                                                                                                                                                                                                         => ( kpairsurjEq
                                                                                                                                                                                                                                                           => ( cartprodsndin
                                                                                                                                                                                                                                                             => ( cartprodpairmemEL
                                                                                                                                                                                                                                                               => ( cartprodpairmemER
                                                                                                                                                                                                                                                                 => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                   => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                     => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                       => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                         => ( dpsetconstrI
                                                                                                                                                                                                                                                                           => ( dpsetconstrSub
                                                                                                                                                                                                                                                                             => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                               => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                 => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                   => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                     => ( dpsetconstrER
                                                                                                                                                                                                                                                                                       => ( funcImageSingleton
                                                                                                                                                                                                                                                                                         => ( apProp
                                                                                                                                                                                                                                                                                           => ( app
                                                                                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                            ( ( in @ Y0
                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                    ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                           => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                          ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4735]) ).

thf(f4741,plain,
    ( $false
    = ( vacuousDall
     => ( quantDeMorgan1
       => ( quantDeMorgan2
         => ( quantDeMorgan3
           => ( quantDeMorgan4
             => ( prop2setI
               => ( prop2set2propI
                 => ( notdexE
                   => ( notdallE
                     => ( exuI1
                       => ( exuI3
                         => ( exuI2
                           => ( inCongP
                             => ( in__Cong
                               => ( exuE3u
                                 => ( exu__Cong
                                   => ( emptyset__Cong
                                     => ( setadjoin__Cong
                                       => ( powerset__Cong
                                         => ( setunion__Cong
                                           => ( omega__Cong
                                             => ( exuEu
                                               => ( descr__Cong
                                                 => ( dsetconstr__Cong
                                                   => ( subsetI1
                                                     => ( eqimpsubset2
                                                       => ( eqimpsubset1
                                                         => ( subsetI2
                                                           => ( emptysetsubset
                                                             => ( subsetE
                                                               => ( subsetE2
                                                                 => ( notsubsetI
                                                                   => ( notequalI1
                                                                     => ( notequalI2
                                                                       => ( subsetRefl
                                                                         => ( subsetTrans
                                                                           => ( setadjoinSub
                                                                             => ( setadjoinSub2
                                                                               => ( subset2powerset
                                                                                 => ( setextsub
                                                                                   => ( subsetemptysetimpeq
                                                                                     => ( powersetI1
                                                                                       => ( powersetE1
                                                                                         => ( inPowerset
                                                                                           => ( powersetsubset
                                                                                             => ( sepInPowerset
                                                                                               => ( sepSubset
                                                                                                 => ( binunionIL
                                                                                                   => ( upairset2IR
                                                                                                     => ( binunionIR
                                                                                                       => ( binunionEcases
                                                                                                         => ( binunionE
                                                                                                           => ( binunionLsub
                                                                                                             => ( binunionRsub
                                                                                                               => ( binintersectI
                                                                                                                 => ( binintersectSubset5
                                                                                                                   => ( binintersectEL
                                                                                                                     => ( binintersectLsub
                                                                                                                       => ( binintersectSubset2
                                                                                                                         => ( binintersectSubset3
                                                                                                                           => ( binintersectER
                                                                                                                             => ( disjointsetsI1
                                                                                                                               => ( binintersectRsub
                                                                                                                                 => ( binintersectSubset4
                                                                                                                                   => ( binintersectSubset1
                                                                                                                                     => ( bs114d
                                                                                                                                       => ( setminusI
                                                                                                                                         => ( setminusEL
                                                                                                                                           => ( setminusER
                                                                                                                                             => ( setminusSubset2
                                                                                                                                               => ( setminusERneg
                                                                                                                                                 => ( setminusELneg
                                                                                                                                                   => ( setminusILneg
                                                                                                                                                     => ( setminusIRneg
                                                                                                                                                       => ( setminusLsub
                                                                                                                                                         => ( setminusSubset1
                                                                                                                                                           => ( symdiffE
                                                                                                                                                             => ( symdiffI1
                                                                                                                                                               => ( symdiffI2
                                                                                                                                                                 => ( symdiffIneg1
                                                                                                                                                                   => ( symdiffIneg2
                                                                                                                                                                     => ( secondinupair
                                                                                                                                                                       => ( setukpairIL
                                                                                                                                                                         => ( setukpairIR
                                                                                                                                                                           => ( kpairiskpair
                                                                                                                                                                             => ( kpairp
                                                                                                                                                                               => ( singletonsubset
                                                                                                                                                                                 => ( singletoninpowerset
                                                                                                                                                                                   => ( singletoninpowunion
                                                                                                                                                                                     => ( upairset2E
                                                                                                                                                                                       => ( upairsubunion
                                                                                                                                                                                         => ( upairinpowunion
                                                                                                                                                                                           => ( ubforcartprodlem1
                                                                                                                                                                                             => ( ubforcartprodlem2
                                                                                                                                                                                               => ( ubforcartprodlem3
                                                                                                                                                                                                 => ( cartprodpairin
                                                                                                                                                                                                   => ( cartprodmempair1
                                                                                                                                                                                                     => ( cartprodmempair
                                                                                                                                                                                                       => ( setunionE2
                                                                                                                                                                                                         => ( setunionsingleton1
                                                                                                                                                                                                           => ( setunionsingleton2
                                                                                                                                                                                                             => ( setunionsingleton
                                                                                                                                                                                                               => ( singletonprop
                                                                                                                                                                                                                 => ( ex1E1
                                                                                                                                                                                                                   => ( ex1I
                                                                                                                                                                                                                     => ( ex1I2
                                                                                                                                                                                                                       => ( singletonsuniq
                                                                                                                                                                                                                         => ( setukpairinjL1
                                                                                                                                                                                                                           => ( kfstsingleton
                                                                                                                                                                                                                             => ( theprop
                                                                                                                                                                                                                               => ( kfstpairEq
                                                                                                                                                                                                                                 => ( cartprodfstin
                                                                                                                                                                                                                                   => ( setukpairinjL2
                                                                                                                                                                                                                                     => ( setukpairinjL
                                                                                                                                                                                                                                       => ( setukpairinjR11
                                                                                                                                                                                                                                         => ( setukpairinjR12
                                                                                                                                                                                                                                           => ( setukpairinjR1
                                                                                                                                                                                                                                             => ( upairequniteq
                                                                                                                                                                                                                                               => ( setukpairinjR2
                                                                                                                                                                                                                                                 => ( setukpairinjR
                                                                                                                                                                                                                                                   => ( ksndsingleton
                                                                                                                                                                                                                                                     => ( ksndpairEq
                                                                                                                                                                                                                                                       => ( kpairsurjEq
                                                                                                                                                                                                                                                         => ( cartprodsndin
                                                                                                                                                                                                                                                           => ( cartprodpairmemEL
                                                                                                                                                                                                                                                             => ( cartprodpairmemER
                                                                                                                                                                                                                                                               => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                 => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                   => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                     => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                       => ( dpsetconstrI
                                                                                                                                                                                                                                                                         => ( dpsetconstrSub
                                                                                                                                                                                                                                                                           => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                             => ( dpsetconstrERa
                                                                                                                                                                                                                                                                               => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                 => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                   => ( dpsetconstrER
                                                                                                                                                                                                                                                                                     => ( funcImageSingleton
                                                                                                                                                                                                                                                                                       => ( apProp
                                                                                                                                                                                                                                                                                         => ( app
                                                                                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                          ( ( in @ Y0
                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                  ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                              ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                         => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                        ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4738]) ).

thf(f4743,plain,
    ( $false
    = ( quantDeMorgan1
     => ( quantDeMorgan2
       => ( quantDeMorgan3
         => ( quantDeMorgan4
           => ( prop2setI
             => ( prop2set2propI
               => ( notdexE
                 => ( notdallE
                   => ( exuI1
                     => ( exuI3
                       => ( exuI2
                         => ( inCongP
                           => ( in__Cong
                             => ( exuE3u
                               => ( exu__Cong
                                 => ( emptyset__Cong
                                   => ( setadjoin__Cong
                                     => ( powerset__Cong
                                       => ( setunion__Cong
                                         => ( omega__Cong
                                           => ( exuEu
                                             => ( descr__Cong
                                               => ( dsetconstr__Cong
                                                 => ( subsetI1
                                                   => ( eqimpsubset2
                                                     => ( eqimpsubset1
                                                       => ( subsetI2
                                                         => ( emptysetsubset
                                                           => ( subsetE
                                                             => ( subsetE2
                                                               => ( notsubsetI
                                                                 => ( notequalI1
                                                                   => ( notequalI2
                                                                     => ( subsetRefl
                                                                       => ( subsetTrans
                                                                         => ( setadjoinSub
                                                                           => ( setadjoinSub2
                                                                             => ( subset2powerset
                                                                               => ( setextsub
                                                                                 => ( subsetemptysetimpeq
                                                                                   => ( powersetI1
                                                                                     => ( powersetE1
                                                                                       => ( inPowerset
                                                                                         => ( powersetsubset
                                                                                           => ( sepInPowerset
                                                                                             => ( sepSubset
                                                                                               => ( binunionIL
                                                                                                 => ( upairset2IR
                                                                                                   => ( binunionIR
                                                                                                     => ( binunionEcases
                                                                                                       => ( binunionE
                                                                                                         => ( binunionLsub
                                                                                                           => ( binunionRsub
                                                                                                             => ( binintersectI
                                                                                                               => ( binintersectSubset5
                                                                                                                 => ( binintersectEL
                                                                                                                   => ( binintersectLsub
                                                                                                                     => ( binintersectSubset2
                                                                                                                       => ( binintersectSubset3
                                                                                                                         => ( binintersectER
                                                                                                                           => ( disjointsetsI1
                                                                                                                             => ( binintersectRsub
                                                                                                                               => ( binintersectSubset4
                                                                                                                                 => ( binintersectSubset1
                                                                                                                                   => ( bs114d
                                                                                                                                     => ( setminusI
                                                                                                                                       => ( setminusEL
                                                                                                                                         => ( setminusER
                                                                                                                                           => ( setminusSubset2
                                                                                                                                             => ( setminusERneg
                                                                                                                                               => ( setminusELneg
                                                                                                                                                 => ( setminusILneg
                                                                                                                                                   => ( setminusIRneg
                                                                                                                                                     => ( setminusLsub
                                                                                                                                                       => ( setminusSubset1
                                                                                                                                                         => ( symdiffE
                                                                                                                                                           => ( symdiffI1
                                                                                                                                                             => ( symdiffI2
                                                                                                                                                               => ( symdiffIneg1
                                                                                                                                                                 => ( symdiffIneg2
                                                                                                                                                                   => ( secondinupair
                                                                                                                                                                     => ( setukpairIL
                                                                                                                                                                       => ( setukpairIR
                                                                                                                                                                         => ( kpairiskpair
                                                                                                                                                                           => ( kpairp
                                                                                                                                                                             => ( singletonsubset
                                                                                                                                                                               => ( singletoninpowerset
                                                                                                                                                                                 => ( singletoninpowunion
                                                                                                                                                                                   => ( upairset2E
                                                                                                                                                                                     => ( upairsubunion
                                                                                                                                                                                       => ( upairinpowunion
                                                                                                                                                                                         => ( ubforcartprodlem1
                                                                                                                                                                                           => ( ubforcartprodlem2
                                                                                                                                                                                             => ( ubforcartprodlem3
                                                                                                                                                                                               => ( cartprodpairin
                                                                                                                                                                                                 => ( cartprodmempair1
                                                                                                                                                                                                   => ( cartprodmempair
                                                                                                                                                                                                     => ( setunionE2
                                                                                                                                                                                                       => ( setunionsingleton1
                                                                                                                                                                                                         => ( setunionsingleton2
                                                                                                                                                                                                           => ( setunionsingleton
                                                                                                                                                                                                             => ( singletonprop
                                                                                                                                                                                                               => ( ex1E1
                                                                                                                                                                                                                 => ( ex1I
                                                                                                                                                                                                                   => ( ex1I2
                                                                                                                                                                                                                     => ( singletonsuniq
                                                                                                                                                                                                                       => ( setukpairinjL1
                                                                                                                                                                                                                         => ( kfstsingleton
                                                                                                                                                                                                                           => ( theprop
                                                                                                                                                                                                                             => ( kfstpairEq
                                                                                                                                                                                                                               => ( cartprodfstin
                                                                                                                                                                                                                                 => ( setukpairinjL2
                                                                                                                                                                                                                                   => ( setukpairinjL
                                                                                                                                                                                                                                     => ( setukpairinjR11
                                                                                                                                                                                                                                       => ( setukpairinjR12
                                                                                                                                                                                                                                         => ( setukpairinjR1
                                                                                                                                                                                                                                           => ( upairequniteq
                                                                                                                                                                                                                                             => ( setukpairinjR2
                                                                                                                                                                                                                                               => ( setukpairinjR
                                                                                                                                                                                                                                                 => ( ksndsingleton
                                                                                                                                                                                                                                                   => ( ksndpairEq
                                                                                                                                                                                                                                                     => ( kpairsurjEq
                                                                                                                                                                                                                                                       => ( cartprodsndin
                                                                                                                                                                                                                                                         => ( cartprodpairmemEL
                                                                                                                                                                                                                                                           => ( cartprodpairmemER
                                                                                                                                                                                                                                                             => ( cartprodmempaircEq
                                                                                                                                                                                                                                                               => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                 => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                   => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                     => ( dpsetconstrI
                                                                                                                                                                                                                                                                       => ( dpsetconstrSub
                                                                                                                                                                                                                                                                         => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                           => ( dpsetconstrERa
                                                                                                                                                                                                                                                                             => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                               => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                 => ( dpsetconstrER
                                                                                                                                                                                                                                                                                   => ( funcImageSingleton
                                                                                                                                                                                                                                                                                     => ( apProp
                                                                                                                                                                                                                                                                                       => ( app
                                                                                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                        ( ( in @ Y0
                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                            ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                       => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                      ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4741]) ).

thf(f4746,plain,
    ( $false
    = ( quantDeMorgan2
     => ( quantDeMorgan3
       => ( quantDeMorgan4
         => ( prop2setI
           => ( prop2set2propI
             => ( notdexE
               => ( notdallE
                 => ( exuI1
                   => ( exuI3
                     => ( exuI2
                       => ( inCongP
                         => ( in__Cong
                           => ( exuE3u
                             => ( exu__Cong
                               => ( emptyset__Cong
                                 => ( setadjoin__Cong
                                   => ( powerset__Cong
                                     => ( setunion__Cong
                                       => ( omega__Cong
                                         => ( exuEu
                                           => ( descr__Cong
                                             => ( dsetconstr__Cong
                                               => ( subsetI1
                                                 => ( eqimpsubset2
                                                   => ( eqimpsubset1
                                                     => ( subsetI2
                                                       => ( emptysetsubset
                                                         => ( subsetE
                                                           => ( subsetE2
                                                             => ( notsubsetI
                                                               => ( notequalI1
                                                                 => ( notequalI2
                                                                   => ( subsetRefl
                                                                     => ( subsetTrans
                                                                       => ( setadjoinSub
                                                                         => ( setadjoinSub2
                                                                           => ( subset2powerset
                                                                             => ( setextsub
                                                                               => ( subsetemptysetimpeq
                                                                                 => ( powersetI1
                                                                                   => ( powersetE1
                                                                                     => ( inPowerset
                                                                                       => ( powersetsubset
                                                                                         => ( sepInPowerset
                                                                                           => ( sepSubset
                                                                                             => ( binunionIL
                                                                                               => ( upairset2IR
                                                                                                 => ( binunionIR
                                                                                                   => ( binunionEcases
                                                                                                     => ( binunionE
                                                                                                       => ( binunionLsub
                                                                                                         => ( binunionRsub
                                                                                                           => ( binintersectI
                                                                                                             => ( binintersectSubset5
                                                                                                               => ( binintersectEL
                                                                                                                 => ( binintersectLsub
                                                                                                                   => ( binintersectSubset2
                                                                                                                     => ( binintersectSubset3
                                                                                                                       => ( binintersectER
                                                                                                                         => ( disjointsetsI1
                                                                                                                           => ( binintersectRsub
                                                                                                                             => ( binintersectSubset4
                                                                                                                               => ( binintersectSubset1
                                                                                                                                 => ( bs114d
                                                                                                                                   => ( setminusI
                                                                                                                                     => ( setminusEL
                                                                                                                                       => ( setminusER
                                                                                                                                         => ( setminusSubset2
                                                                                                                                           => ( setminusERneg
                                                                                                                                             => ( setminusELneg
                                                                                                                                               => ( setminusILneg
                                                                                                                                                 => ( setminusIRneg
                                                                                                                                                   => ( setminusLsub
                                                                                                                                                     => ( setminusSubset1
                                                                                                                                                       => ( symdiffE
                                                                                                                                                         => ( symdiffI1
                                                                                                                                                           => ( symdiffI2
                                                                                                                                                             => ( symdiffIneg1
                                                                                                                                                               => ( symdiffIneg2
                                                                                                                                                                 => ( secondinupair
                                                                                                                                                                   => ( setukpairIL
                                                                                                                                                                     => ( setukpairIR
                                                                                                                                                                       => ( kpairiskpair
                                                                                                                                                                         => ( kpairp
                                                                                                                                                                           => ( singletonsubset
                                                                                                                                                                             => ( singletoninpowerset
                                                                                                                                                                               => ( singletoninpowunion
                                                                                                                                                                                 => ( upairset2E
                                                                                                                                                                                   => ( upairsubunion
                                                                                                                                                                                     => ( upairinpowunion
                                                                                                                                                                                       => ( ubforcartprodlem1
                                                                                                                                                                                         => ( ubforcartprodlem2
                                                                                                                                                                                           => ( ubforcartprodlem3
                                                                                                                                                                                             => ( cartprodpairin
                                                                                                                                                                                               => ( cartprodmempair1
                                                                                                                                                                                                 => ( cartprodmempair
                                                                                                                                                                                                   => ( setunionE2
                                                                                                                                                                                                     => ( setunionsingleton1
                                                                                                                                                                                                       => ( setunionsingleton2
                                                                                                                                                                                                         => ( setunionsingleton
                                                                                                                                                                                                           => ( singletonprop
                                                                                                                                                                                                             => ( ex1E1
                                                                                                                                                                                                               => ( ex1I
                                                                                                                                                                                                                 => ( ex1I2
                                                                                                                                                                                                                   => ( singletonsuniq
                                                                                                                                                                                                                     => ( setukpairinjL1
                                                                                                                                                                                                                       => ( kfstsingleton
                                                                                                                                                                                                                         => ( theprop
                                                                                                                                                                                                                           => ( kfstpairEq
                                                                                                                                                                                                                             => ( cartprodfstin
                                                                                                                                                                                                                               => ( setukpairinjL2
                                                                                                                                                                                                                                 => ( setukpairinjL
                                                                                                                                                                                                                                   => ( setukpairinjR11
                                                                                                                                                                                                                                     => ( setukpairinjR12
                                                                                                                                                                                                                                       => ( setukpairinjR1
                                                                                                                                                                                                                                         => ( upairequniteq
                                                                                                                                                                                                                                           => ( setukpairinjR2
                                                                                                                                                                                                                                             => ( setukpairinjR
                                                                                                                                                                                                                                               => ( ksndsingleton
                                                                                                                                                                                                                                                 => ( ksndpairEq
                                                                                                                                                                                                                                                   => ( kpairsurjEq
                                                                                                                                                                                                                                                     => ( cartprodsndin
                                                                                                                                                                                                                                                       => ( cartprodpairmemEL
                                                                                                                                                                                                                                                         => ( cartprodpairmemER
                                                                                                                                                                                                                                                           => ( cartprodmempaircEq
                                                                                                                                                                                                                                                             => ( cartprodfstpairEq
                                                                                                                                                                                                                                                               => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                 => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                   => ( dpsetconstrI
                                                                                                                                                                                                                                                                     => ( dpsetconstrSub
                                                                                                                                                                                                                                                                       => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                         => ( dpsetconstrERa
                                                                                                                                                                                                                                                                           => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                             => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                               => ( dpsetconstrER
                                                                                                                                                                                                                                                                                 => ( funcImageSingleton
                                                                                                                                                                                                                                                                                   => ( apProp
                                                                                                                                                                                                                                                                                     => ( app
                                                                                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                      ( ( in @ Y0
                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                              ( ( !! @ $i
                                                                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                          ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                     => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                    ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4743]) ).

thf(f4750,plain,
    ( $false
    = ( quantDeMorgan3
     => ( quantDeMorgan4
       => ( prop2setI
         => ( prop2set2propI
           => ( notdexE
             => ( notdallE
               => ( exuI1
                 => ( exuI3
                   => ( exuI2
                     => ( inCongP
                       => ( in__Cong
                         => ( exuE3u
                           => ( exu__Cong
                             => ( emptyset__Cong
                               => ( setadjoin__Cong
                                 => ( powerset__Cong
                                   => ( setunion__Cong
                                     => ( omega__Cong
                                       => ( exuEu
                                         => ( descr__Cong
                                           => ( dsetconstr__Cong
                                             => ( subsetI1
                                               => ( eqimpsubset2
                                                 => ( eqimpsubset1
                                                   => ( subsetI2
                                                     => ( emptysetsubset
                                                       => ( subsetE
                                                         => ( subsetE2
                                                           => ( notsubsetI
                                                             => ( notequalI1
                                                               => ( notequalI2
                                                                 => ( subsetRefl
                                                                   => ( subsetTrans
                                                                     => ( setadjoinSub
                                                                       => ( setadjoinSub2
                                                                         => ( subset2powerset
                                                                           => ( setextsub
                                                                             => ( subsetemptysetimpeq
                                                                               => ( powersetI1
                                                                                 => ( powersetE1
                                                                                   => ( inPowerset
                                                                                     => ( powersetsubset
                                                                                       => ( sepInPowerset
                                                                                         => ( sepSubset
                                                                                           => ( binunionIL
                                                                                             => ( upairset2IR
                                                                                               => ( binunionIR
                                                                                                 => ( binunionEcases
                                                                                                   => ( binunionE
                                                                                                     => ( binunionLsub
                                                                                                       => ( binunionRsub
                                                                                                         => ( binintersectI
                                                                                                           => ( binintersectSubset5
                                                                                                             => ( binintersectEL
                                                                                                               => ( binintersectLsub
                                                                                                                 => ( binintersectSubset2
                                                                                                                   => ( binintersectSubset3
                                                                                                                     => ( binintersectER
                                                                                                                       => ( disjointsetsI1
                                                                                                                         => ( binintersectRsub
                                                                                                                           => ( binintersectSubset4
                                                                                                                             => ( binintersectSubset1
                                                                                                                               => ( bs114d
                                                                                                                                 => ( setminusI
                                                                                                                                   => ( setminusEL
                                                                                                                                     => ( setminusER
                                                                                                                                       => ( setminusSubset2
                                                                                                                                         => ( setminusERneg
                                                                                                                                           => ( setminusELneg
                                                                                                                                             => ( setminusILneg
                                                                                                                                               => ( setminusIRneg
                                                                                                                                                 => ( setminusLsub
                                                                                                                                                   => ( setminusSubset1
                                                                                                                                                     => ( symdiffE
                                                                                                                                                       => ( symdiffI1
                                                                                                                                                         => ( symdiffI2
                                                                                                                                                           => ( symdiffIneg1
                                                                                                                                                             => ( symdiffIneg2
                                                                                                                                                               => ( secondinupair
                                                                                                                                                                 => ( setukpairIL
                                                                                                                                                                   => ( setukpairIR
                                                                                                                                                                     => ( kpairiskpair
                                                                                                                                                                       => ( kpairp
                                                                                                                                                                         => ( singletonsubset
                                                                                                                                                                           => ( singletoninpowerset
                                                                                                                                                                             => ( singletoninpowunion
                                                                                                                                                                               => ( upairset2E
                                                                                                                                                                                 => ( upairsubunion
                                                                                                                                                                                   => ( upairinpowunion
                                                                                                                                                                                     => ( ubforcartprodlem1
                                                                                                                                                                                       => ( ubforcartprodlem2
                                                                                                                                                                                         => ( ubforcartprodlem3
                                                                                                                                                                                           => ( cartprodpairin
                                                                                                                                                                                             => ( cartprodmempair1
                                                                                                                                                                                               => ( cartprodmempair
                                                                                                                                                                                                 => ( setunionE2
                                                                                                                                                                                                   => ( setunionsingleton1
                                                                                                                                                                                                     => ( setunionsingleton2
                                                                                                                                                                                                       => ( setunionsingleton
                                                                                                                                                                                                         => ( singletonprop
                                                                                                                                                                                                           => ( ex1E1
                                                                                                                                                                                                             => ( ex1I
                                                                                                                                                                                                               => ( ex1I2
                                                                                                                                                                                                                 => ( singletonsuniq
                                                                                                                                                                                                                   => ( setukpairinjL1
                                                                                                                                                                                                                     => ( kfstsingleton
                                                                                                                                                                                                                       => ( theprop
                                                                                                                                                                                                                         => ( kfstpairEq
                                                                                                                                                                                                                           => ( cartprodfstin
                                                                                                                                                                                                                             => ( setukpairinjL2
                                                                                                                                                                                                                               => ( setukpairinjL
                                                                                                                                                                                                                                 => ( setukpairinjR11
                                                                                                                                                                                                                                   => ( setukpairinjR12
                                                                                                                                                                                                                                     => ( setukpairinjR1
                                                                                                                                                                                                                                       => ( upairequniteq
                                                                                                                                                                                                                                         => ( setukpairinjR2
                                                                                                                                                                                                                                           => ( setukpairinjR
                                                                                                                                                                                                                                             => ( ksndsingleton
                                                                                                                                                                                                                                               => ( ksndpairEq
                                                                                                                                                                                                                                                 => ( kpairsurjEq
                                                                                                                                                                                                                                                   => ( cartprodsndin
                                                                                                                                                                                                                                                     => ( cartprodpairmemEL
                                                                                                                                                                                                                                                       => ( cartprodpairmemER
                                                                                                                                                                                                                                                         => ( cartprodmempaircEq
                                                                                                                                                                                                                                                           => ( cartprodfstpairEq
                                                                                                                                                                                                                                                             => ( cartprodsndpairEq
                                                                                                                                                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                 => ( dpsetconstrI
                                                                                                                                                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                             => ( dpsetconstrER
                                                                                                                                                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                                                                                                                                                 => ( apProp
                                                                                                                                                                                                                                                                                   => ( app
                                                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                    ( ( in @ Y0
                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                            ( ( !! @ $i
                                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                        ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                   => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                  ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4746]) ).

thf(f4753,plain,
    ( $false
    = ( quantDeMorgan4
     => ( prop2setI
       => ( prop2set2propI
         => ( notdexE
           => ( notdallE
             => ( exuI1
               => ( exuI3
                 => ( exuI2
                   => ( inCongP
                     => ( in__Cong
                       => ( exuE3u
                         => ( exu__Cong
                           => ( emptyset__Cong
                             => ( setadjoin__Cong
                               => ( powerset__Cong
                                 => ( setunion__Cong
                                   => ( omega__Cong
                                     => ( exuEu
                                       => ( descr__Cong
                                         => ( dsetconstr__Cong
                                           => ( subsetI1
                                             => ( eqimpsubset2
                                               => ( eqimpsubset1
                                                 => ( subsetI2
                                                   => ( emptysetsubset
                                                     => ( subsetE
                                                       => ( subsetE2
                                                         => ( notsubsetI
                                                           => ( notequalI1
                                                             => ( notequalI2
                                                               => ( subsetRefl
                                                                 => ( subsetTrans
                                                                   => ( setadjoinSub
                                                                     => ( setadjoinSub2
                                                                       => ( subset2powerset
                                                                         => ( setextsub
                                                                           => ( subsetemptysetimpeq
                                                                             => ( powersetI1
                                                                               => ( powersetE1
                                                                                 => ( inPowerset
                                                                                   => ( powersetsubset
                                                                                     => ( sepInPowerset
                                                                                       => ( sepSubset
                                                                                         => ( binunionIL
                                                                                           => ( upairset2IR
                                                                                             => ( binunionIR
                                                                                               => ( binunionEcases
                                                                                                 => ( binunionE
                                                                                                   => ( binunionLsub
                                                                                                     => ( binunionRsub
                                                                                                       => ( binintersectI
                                                                                                         => ( binintersectSubset5
                                                                                                           => ( binintersectEL
                                                                                                             => ( binintersectLsub
                                                                                                               => ( binintersectSubset2
                                                                                                                 => ( binintersectSubset3
                                                                                                                   => ( binintersectER
                                                                                                                     => ( disjointsetsI1
                                                                                                                       => ( binintersectRsub
                                                                                                                         => ( binintersectSubset4
                                                                                                                           => ( binintersectSubset1
                                                                                                                             => ( bs114d
                                                                                                                               => ( setminusI
                                                                                                                                 => ( setminusEL
                                                                                                                                   => ( setminusER
                                                                                                                                     => ( setminusSubset2
                                                                                                                                       => ( setminusERneg
                                                                                                                                         => ( setminusELneg
                                                                                                                                           => ( setminusILneg
                                                                                                                                             => ( setminusIRneg
                                                                                                                                               => ( setminusLsub
                                                                                                                                                 => ( setminusSubset1
                                                                                                                                                   => ( symdiffE
                                                                                                                                                     => ( symdiffI1
                                                                                                                                                       => ( symdiffI2
                                                                                                                                                         => ( symdiffIneg1
                                                                                                                                                           => ( symdiffIneg2
                                                                                                                                                             => ( secondinupair
                                                                                                                                                               => ( setukpairIL
                                                                                                                                                                 => ( setukpairIR
                                                                                                                                                                   => ( kpairiskpair
                                                                                                                                                                     => ( kpairp
                                                                                                                                                                       => ( singletonsubset
                                                                                                                                                                         => ( singletoninpowerset
                                                                                                                                                                           => ( singletoninpowunion
                                                                                                                                                                             => ( upairset2E
                                                                                                                                                                               => ( upairsubunion
                                                                                                                                                                                 => ( upairinpowunion
                                                                                                                                                                                   => ( ubforcartprodlem1
                                                                                                                                                                                     => ( ubforcartprodlem2
                                                                                                                                                                                       => ( ubforcartprodlem3
                                                                                                                                                                                         => ( cartprodpairin
                                                                                                                                                                                           => ( cartprodmempair1
                                                                                                                                                                                             => ( cartprodmempair
                                                                                                                                                                                               => ( setunionE2
                                                                                                                                                                                                 => ( setunionsingleton1
                                                                                                                                                                                                   => ( setunionsingleton2
                                                                                                                                                                                                     => ( setunionsingleton
                                                                                                                                                                                                       => ( singletonprop
                                                                                                                                                                                                         => ( ex1E1
                                                                                                                                                                                                           => ( ex1I
                                                                                                                                                                                                             => ( ex1I2
                                                                                                                                                                                                               => ( singletonsuniq
                                                                                                                                                                                                                 => ( setukpairinjL1
                                                                                                                                                                                                                   => ( kfstsingleton
                                                                                                                                                                                                                     => ( theprop
                                                                                                                                                                                                                       => ( kfstpairEq
                                                                                                                                                                                                                         => ( cartprodfstin
                                                                                                                                                                                                                           => ( setukpairinjL2
                                                                                                                                                                                                                             => ( setukpairinjL
                                                                                                                                                                                                                               => ( setukpairinjR11
                                                                                                                                                                                                                                 => ( setukpairinjR12
                                                                                                                                                                                                                                   => ( setukpairinjR1
                                                                                                                                                                                                                                     => ( upairequniteq
                                                                                                                                                                                                                                       => ( setukpairinjR2
                                                                                                                                                                                                                                         => ( setukpairinjR
                                                                                                                                                                                                                                           => ( ksndsingleton
                                                                                                                                                                                                                                             => ( ksndpairEq
                                                                                                                                                                                                                                               => ( kpairsurjEq
                                                                                                                                                                                                                                                 => ( cartprodsndin
                                                                                                                                                                                                                                                   => ( cartprodpairmemEL
                                                                                                                                                                                                                                                     => ( cartprodpairmemER
                                                                                                                                                                                                                                                       => ( cartprodmempaircEq
                                                                                                                                                                                                                                                         => ( cartprodfstpairEq
                                                                                                                                                                                                                                                           => ( cartprodsndpairEq
                                                                                                                                                                                                                                                             => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                               => ( dpsetconstrI
                                                                                                                                                                                                                                                                 => ( dpsetconstrSub
                                                                                                                                                                                                                                                                   => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                     => ( dpsetconstrERa
                                                                                                                                                                                                                                                                       => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                         => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                           => ( dpsetconstrER
                                                                                                                                                                                                                                                                             => ( funcImageSingleton
                                                                                                                                                                                                                                                                               => ( apProp
                                                                                                                                                                                                                                                                                 => ( app
                                                                                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                  ( ( in @ Y0
                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                          ( ( !! @ $i
                                                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                      ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                 => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4750]) ).

thf(f4756,plain,
    ( $false
    = ( prop2setI
     => ( prop2set2propI
       => ( notdexE
         => ( notdallE
           => ( exuI1
             => ( exuI3
               => ( exuI2
                 => ( inCongP
                   => ( in__Cong
                     => ( exuE3u
                       => ( exu__Cong
                         => ( emptyset__Cong
                           => ( setadjoin__Cong
                             => ( powerset__Cong
                               => ( setunion__Cong
                                 => ( omega__Cong
                                   => ( exuEu
                                     => ( descr__Cong
                                       => ( dsetconstr__Cong
                                         => ( subsetI1
                                           => ( eqimpsubset2
                                             => ( eqimpsubset1
                                               => ( subsetI2
                                                 => ( emptysetsubset
                                                   => ( subsetE
                                                     => ( subsetE2
                                                       => ( notsubsetI
                                                         => ( notequalI1
                                                           => ( notequalI2
                                                             => ( subsetRefl
                                                               => ( subsetTrans
                                                                 => ( setadjoinSub
                                                                   => ( setadjoinSub2
                                                                     => ( subset2powerset
                                                                       => ( setextsub
                                                                         => ( subsetemptysetimpeq
                                                                           => ( powersetI1
                                                                             => ( powersetE1
                                                                               => ( inPowerset
                                                                                 => ( powersetsubset
                                                                                   => ( sepInPowerset
                                                                                     => ( sepSubset
                                                                                       => ( binunionIL
                                                                                         => ( upairset2IR
                                                                                           => ( binunionIR
                                                                                             => ( binunionEcases
                                                                                               => ( binunionE
                                                                                                 => ( binunionLsub
                                                                                                   => ( binunionRsub
                                                                                                     => ( binintersectI
                                                                                                       => ( binintersectSubset5
                                                                                                         => ( binintersectEL
                                                                                                           => ( binintersectLsub
                                                                                                             => ( binintersectSubset2
                                                                                                               => ( binintersectSubset3
                                                                                                                 => ( binintersectER
                                                                                                                   => ( disjointsetsI1
                                                                                                                     => ( binintersectRsub
                                                                                                                       => ( binintersectSubset4
                                                                                                                         => ( binintersectSubset1
                                                                                                                           => ( bs114d
                                                                                                                             => ( setminusI
                                                                                                                               => ( setminusEL
                                                                                                                                 => ( setminusER
                                                                                                                                   => ( setminusSubset2
                                                                                                                                     => ( setminusERneg
                                                                                                                                       => ( setminusELneg
                                                                                                                                         => ( setminusILneg
                                                                                                                                           => ( setminusIRneg
                                                                                                                                             => ( setminusLsub
                                                                                                                                               => ( setminusSubset1
                                                                                                                                                 => ( symdiffE
                                                                                                                                                   => ( symdiffI1
                                                                                                                                                     => ( symdiffI2
                                                                                                                                                       => ( symdiffIneg1
                                                                                                                                                         => ( symdiffIneg2
                                                                                                                                                           => ( secondinupair
                                                                                                                                                             => ( setukpairIL
                                                                                                                                                               => ( setukpairIR
                                                                                                                                                                 => ( kpairiskpair
                                                                                                                                                                   => ( kpairp
                                                                                                                                                                     => ( singletonsubset
                                                                                                                                                                       => ( singletoninpowerset
                                                                                                                                                                         => ( singletoninpowunion
                                                                                                                                                                           => ( upairset2E
                                                                                                                                                                             => ( upairsubunion
                                                                                                                                                                               => ( upairinpowunion
                                                                                                                                                                                 => ( ubforcartprodlem1
                                                                                                                                                                                   => ( ubforcartprodlem2
                                                                                                                                                                                     => ( ubforcartprodlem3
                                                                                                                                                                                       => ( cartprodpairin
                                                                                                                                                                                         => ( cartprodmempair1
                                                                                                                                                                                           => ( cartprodmempair
                                                                                                                                                                                             => ( setunionE2
                                                                                                                                                                                               => ( setunionsingleton1
                                                                                                                                                                                                 => ( setunionsingleton2
                                                                                                                                                                                                   => ( setunionsingleton
                                                                                                                                                                                                     => ( singletonprop
                                                                                                                                                                                                       => ( ex1E1
                                                                                                                                                                                                         => ( ex1I
                                                                                                                                                                                                           => ( ex1I2
                                                                                                                                                                                                             => ( singletonsuniq
                                                                                                                                                                                                               => ( setukpairinjL1
                                                                                                                                                                                                                 => ( kfstsingleton
                                                                                                                                                                                                                   => ( theprop
                                                                                                                                                                                                                     => ( kfstpairEq
                                                                                                                                                                                                                       => ( cartprodfstin
                                                                                                                                                                                                                         => ( setukpairinjL2
                                                                                                                                                                                                                           => ( setukpairinjL
                                                                                                                                                                                                                             => ( setukpairinjR11
                                                                                                                                                                                                                               => ( setukpairinjR12
                                                                                                                                                                                                                                 => ( setukpairinjR1
                                                                                                                                                                                                                                   => ( upairequniteq
                                                                                                                                                                                                                                     => ( setukpairinjR2
                                                                                                                                                                                                                                       => ( setukpairinjR
                                                                                                                                                                                                                                         => ( ksndsingleton
                                                                                                                                                                                                                                           => ( ksndpairEq
                                                                                                                                                                                                                                             => ( kpairsurjEq
                                                                                                                                                                                                                                               => ( cartprodsndin
                                                                                                                                                                                                                                                 => ( cartprodpairmemEL
                                                                                                                                                                                                                                                   => ( cartprodpairmemER
                                                                                                                                                                                                                                                     => ( cartprodmempaircEq
                                                                                                                                                                                                                                                       => ( cartprodfstpairEq
                                                                                                                                                                                                                                                         => ( cartprodsndpairEq
                                                                                                                                                                                                                                                           => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                             => ( dpsetconstrI
                                                                                                                                                                                                                                                               => ( dpsetconstrSub
                                                                                                                                                                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                   => ( dpsetconstrERa
                                                                                                                                                                                                                                                                     => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                       => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                         => ( dpsetconstrER
                                                                                                                                                                                                                                                                           => ( funcImageSingleton
                                                                                                                                                                                                                                                                             => ( apProp
                                                                                                                                                                                                                                                                               => ( app
                                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                ( ( in @ Y0
                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                        ( ( !! @ $i
                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                               => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4753]) ).

thf(f4758,plain,
    ( ( prop2set2propI
     => ( notdexE
       => ( notdallE
         => ( exuI1
           => ( exuI3
             => ( exuI2
               => ( inCongP
                 => ( in__Cong
                   => ( exuE3u
                     => ( exu__Cong
                       => ( emptyset__Cong
                         => ( setadjoin__Cong
                           => ( powerset__Cong
                             => ( setunion__Cong
                               => ( omega__Cong
                                 => ( exuEu
                                   => ( descr__Cong
                                     => ( dsetconstr__Cong
                                       => ( subsetI1
                                         => ( eqimpsubset2
                                           => ( eqimpsubset1
                                             => ( subsetI2
                                               => ( emptysetsubset
                                                 => ( subsetE
                                                   => ( subsetE2
                                                     => ( notsubsetI
                                                       => ( notequalI1
                                                         => ( notequalI2
                                                           => ( subsetRefl
                                                             => ( subsetTrans
                                                               => ( setadjoinSub
                                                                 => ( setadjoinSub2
                                                                   => ( subset2powerset
                                                                     => ( setextsub
                                                                       => ( subsetemptysetimpeq
                                                                         => ( powersetI1
                                                                           => ( powersetE1
                                                                             => ( inPowerset
                                                                               => ( powersetsubset
                                                                                 => ( sepInPowerset
                                                                                   => ( sepSubset
                                                                                     => ( binunionIL
                                                                                       => ( upairset2IR
                                                                                         => ( binunionIR
                                                                                           => ( binunionEcases
                                                                                             => ( binunionE
                                                                                               => ( binunionLsub
                                                                                                 => ( binunionRsub
                                                                                                   => ( binintersectI
                                                                                                     => ( binintersectSubset5
                                                                                                       => ( binintersectEL
                                                                                                         => ( binintersectLsub
                                                                                                           => ( binintersectSubset2
                                                                                                             => ( binintersectSubset3
                                                                                                               => ( binintersectER
                                                                                                                 => ( disjointsetsI1
                                                                                                                   => ( binintersectRsub
                                                                                                                     => ( binintersectSubset4
                                                                                                                       => ( binintersectSubset1
                                                                                                                         => ( bs114d
                                                                                                                           => ( setminusI
                                                                                                                             => ( setminusEL
                                                                                                                               => ( setminusER
                                                                                                                                 => ( setminusSubset2
                                                                                                                                   => ( setminusERneg
                                                                                                                                     => ( setminusELneg
                                                                                                                                       => ( setminusILneg
                                                                                                                                         => ( setminusIRneg
                                                                                                                                           => ( setminusLsub
                                                                                                                                             => ( setminusSubset1
                                                                                                                                               => ( symdiffE
                                                                                                                                                 => ( symdiffI1
                                                                                                                                                   => ( symdiffI2
                                                                                                                                                     => ( symdiffIneg1
                                                                                                                                                       => ( symdiffIneg2
                                                                                                                                                         => ( secondinupair
                                                                                                                                                           => ( setukpairIL
                                                                                                                                                             => ( setukpairIR
                                                                                                                                                               => ( kpairiskpair
                                                                                                                                                                 => ( kpairp
                                                                                                                                                                   => ( singletonsubset
                                                                                                                                                                     => ( singletoninpowerset
                                                                                                                                                                       => ( singletoninpowunion
                                                                                                                                                                         => ( upairset2E
                                                                                                                                                                           => ( upairsubunion
                                                                                                                                                                             => ( upairinpowunion
                                                                                                                                                                               => ( ubforcartprodlem1
                                                                                                                                                                                 => ( ubforcartprodlem2
                                                                                                                                                                                   => ( ubforcartprodlem3
                                                                                                                                                                                     => ( cartprodpairin
                                                                                                                                                                                       => ( cartprodmempair1
                                                                                                                                                                                         => ( cartprodmempair
                                                                                                                                                                                           => ( setunionE2
                                                                                                                                                                                             => ( setunionsingleton1
                                                                                                                                                                                               => ( setunionsingleton2
                                                                                                                                                                                                 => ( setunionsingleton
                                                                                                                                                                                                   => ( singletonprop
                                                                                                                                                                                                     => ( ex1E1
                                                                                                                                                                                                       => ( ex1I
                                                                                                                                                                                                         => ( ex1I2
                                                                                                                                                                                                           => ( singletonsuniq
                                                                                                                                                                                                             => ( setukpairinjL1
                                                                                                                                                                                                               => ( kfstsingleton
                                                                                                                                                                                                                 => ( theprop
                                                                                                                                                                                                                   => ( kfstpairEq
                                                                                                                                                                                                                     => ( cartprodfstin
                                                                                                                                                                                                                       => ( setukpairinjL2
                                                                                                                                                                                                                         => ( setukpairinjL
                                                                                                                                                                                                                           => ( setukpairinjR11
                                                                                                                                                                                                                             => ( setukpairinjR12
                                                                                                                                                                                                                               => ( setukpairinjR1
                                                                                                                                                                                                                                 => ( upairequniteq
                                                                                                                                                                                                                                   => ( setukpairinjR2
                                                                                                                                                                                                                                     => ( setukpairinjR
                                                                                                                                                                                                                                       => ( ksndsingleton
                                                                                                                                                                                                                                         => ( ksndpairEq
                                                                                                                                                                                                                                           => ( kpairsurjEq
                                                                                                                                                                                                                                             => ( cartprodsndin
                                                                                                                                                                                                                                               => ( cartprodpairmemEL
                                                                                                                                                                                                                                                 => ( cartprodpairmemER
                                                                                                                                                                                                                                                   => ( cartprodmempaircEq
                                                                                                                                                                                                                                                     => ( cartprodfstpairEq
                                                                                                                                                                                                                                                       => ( cartprodsndpairEq
                                                                                                                                                                                                                                                         => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                           => ( dpsetconstrI
                                                                                                                                                                                                                                                             => ( dpsetconstrSub
                                                                                                                                                                                                                                                               => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                 => ( dpsetconstrERa
                                                                                                                                                                                                                                                                   => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                     => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                       => ( dpsetconstrER
                                                                                                                                                                                                                                                                         => ( funcImageSingleton
                                                                                                                                                                                                                                                                           => ( apProp
                                                                                                                                                                                                                                                                             => ( app
                                                                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                              ( ( in @ Y0
                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                      ( ( !! @ $i
                                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                  ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                             => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                            ( ( in @ Y4
                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4756]) ).

thf(f4762,plain,
    ( $false
    = ( notdexE
     => ( notdallE
       => ( exuI1
         => ( exuI3
           => ( exuI2
             => ( inCongP
               => ( in__Cong
                 => ( exuE3u
                   => ( exu__Cong
                     => ( emptyset__Cong
                       => ( setadjoin__Cong
                         => ( powerset__Cong
                           => ( setunion__Cong
                             => ( omega__Cong
                               => ( exuEu
                                 => ( descr__Cong
                                   => ( dsetconstr__Cong
                                     => ( subsetI1
                                       => ( eqimpsubset2
                                         => ( eqimpsubset1
                                           => ( subsetI2
                                             => ( emptysetsubset
                                               => ( subsetE
                                                 => ( subsetE2
                                                   => ( notsubsetI
                                                     => ( notequalI1
                                                       => ( notequalI2
                                                         => ( subsetRefl
                                                           => ( subsetTrans
                                                             => ( setadjoinSub
                                                               => ( setadjoinSub2
                                                                 => ( subset2powerset
                                                                   => ( setextsub
                                                                     => ( subsetemptysetimpeq
                                                                       => ( powersetI1
                                                                         => ( powersetE1
                                                                           => ( inPowerset
                                                                             => ( powersetsubset
                                                                               => ( sepInPowerset
                                                                                 => ( sepSubset
                                                                                   => ( binunionIL
                                                                                     => ( upairset2IR
                                                                                       => ( binunionIR
                                                                                         => ( binunionEcases
                                                                                           => ( binunionE
                                                                                             => ( binunionLsub
                                                                                               => ( binunionRsub
                                                                                                 => ( binintersectI
                                                                                                   => ( binintersectSubset5
                                                                                                     => ( binintersectEL
                                                                                                       => ( binintersectLsub
                                                                                                         => ( binintersectSubset2
                                                                                                           => ( binintersectSubset3
                                                                                                             => ( binintersectER
                                                                                                               => ( disjointsetsI1
                                                                                                                 => ( binintersectRsub
                                                                                                                   => ( binintersectSubset4
                                                                                                                     => ( binintersectSubset1
                                                                                                                       => ( bs114d
                                                                                                                         => ( setminusI
                                                                                                                           => ( setminusEL
                                                                                                                             => ( setminusER
                                                                                                                               => ( setminusSubset2
                                                                                                                                 => ( setminusERneg
                                                                                                                                   => ( setminusELneg
                                                                                                                                     => ( setminusILneg
                                                                                                                                       => ( setminusIRneg
                                                                                                                                         => ( setminusLsub
                                                                                                                                           => ( setminusSubset1
                                                                                                                                             => ( symdiffE
                                                                                                                                               => ( symdiffI1
                                                                                                                                                 => ( symdiffI2
                                                                                                                                                   => ( symdiffIneg1
                                                                                                                                                     => ( symdiffIneg2
                                                                                                                                                       => ( secondinupair
                                                                                                                                                         => ( setukpairIL
                                                                                                                                                           => ( setukpairIR
                                                                                                                                                             => ( kpairiskpair
                                                                                                                                                               => ( kpairp
                                                                                                                                                                 => ( singletonsubset
                                                                                                                                                                   => ( singletoninpowerset
                                                                                                                                                                     => ( singletoninpowunion
                                                                                                                                                                       => ( upairset2E
                                                                                                                                                                         => ( upairsubunion
                                                                                                                                                                           => ( upairinpowunion
                                                                                                                                                                             => ( ubforcartprodlem1
                                                                                                                                                                               => ( ubforcartprodlem2
                                                                                                                                                                                 => ( ubforcartprodlem3
                                                                                                                                                                                   => ( cartprodpairin
                                                                                                                                                                                     => ( cartprodmempair1
                                                                                                                                                                                       => ( cartprodmempair
                                                                                                                                                                                         => ( setunionE2
                                                                                                                                                                                           => ( setunionsingleton1
                                                                                                                                                                                             => ( setunionsingleton2
                                                                                                                                                                                               => ( setunionsingleton
                                                                                                                                                                                                 => ( singletonprop
                                                                                                                                                                                                   => ( ex1E1
                                                                                                                                                                                                     => ( ex1I
                                                                                                                                                                                                       => ( ex1I2
                                                                                                                                                                                                         => ( singletonsuniq
                                                                                                                                                                                                           => ( setukpairinjL1
                                                                                                                                                                                                             => ( kfstsingleton
                                                                                                                                                                                                               => ( theprop
                                                                                                                                                                                                                 => ( kfstpairEq
                                                                                                                                                                                                                   => ( cartprodfstin
                                                                                                                                                                                                                     => ( setukpairinjL2
                                                                                                                                                                                                                       => ( setukpairinjL
                                                                                                                                                                                                                         => ( setukpairinjR11
                                                                                                                                                                                                                           => ( setukpairinjR12
                                                                                                                                                                                                                             => ( setukpairinjR1
                                                                                                                                                                                                                               => ( upairequniteq
                                                                                                                                                                                                                                 => ( setukpairinjR2
                                                                                                                                                                                                                                   => ( setukpairinjR
                                                                                                                                                                                                                                     => ( ksndsingleton
                                                                                                                                                                                                                                       => ( ksndpairEq
                                                                                                                                                                                                                                         => ( kpairsurjEq
                                                                                                                                                                                                                                           => ( cartprodsndin
                                                                                                                                                                                                                                             => ( cartprodpairmemEL
                                                                                                                                                                                                                                               => ( cartprodpairmemER
                                                                                                                                                                                                                                                 => ( cartprodmempaircEq
                                                                                                                                                                                                                                                   => ( cartprodfstpairEq
                                                                                                                                                                                                                                                     => ( cartprodsndpairEq
                                                                                                                                                                                                                                                       => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                         => ( dpsetconstrI
                                                                                                                                                                                                                                                           => ( dpsetconstrSub
                                                                                                                                                                                                                                                             => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                               => ( dpsetconstrERa
                                                                                                                                                                                                                                                                 => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                   => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                     => ( dpsetconstrER
                                                                                                                                                                                                                                                                       => ( funcImageSingleton
                                                                                                                                                                                                                                                                         => ( apProp
                                                                                                                                                                                                                                                                           => ( app
                                                                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                            ( ( in @ Y0
                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                    ( ( !! @ $i
                                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                           => ( ( !! @ $i
                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                          ( ( in @ Y4
                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4758]) ).

thf(f4765,plain,
    ( $false
    = ( notdallE
     => ( exuI1
       => ( exuI3
         => ( exuI2
           => ( inCongP
             => ( in__Cong
               => ( exuE3u
                 => ( exu__Cong
                   => ( emptyset__Cong
                     => ( setadjoin__Cong
                       => ( powerset__Cong
                         => ( setunion__Cong
                           => ( omega__Cong
                             => ( exuEu
                               => ( descr__Cong
                                 => ( dsetconstr__Cong
                                   => ( subsetI1
                                     => ( eqimpsubset2
                                       => ( eqimpsubset1
                                         => ( subsetI2
                                           => ( emptysetsubset
                                             => ( subsetE
                                               => ( subsetE2
                                                 => ( notsubsetI
                                                   => ( notequalI1
                                                     => ( notequalI2
                                                       => ( subsetRefl
                                                         => ( subsetTrans
                                                           => ( setadjoinSub
                                                             => ( setadjoinSub2
                                                               => ( subset2powerset
                                                                 => ( setextsub
                                                                   => ( subsetemptysetimpeq
                                                                     => ( powersetI1
                                                                       => ( powersetE1
                                                                         => ( inPowerset
                                                                           => ( powersetsubset
                                                                             => ( sepInPowerset
                                                                               => ( sepSubset
                                                                                 => ( binunionIL
                                                                                   => ( upairset2IR
                                                                                     => ( binunionIR
                                                                                       => ( binunionEcases
                                                                                         => ( binunionE
                                                                                           => ( binunionLsub
                                                                                             => ( binunionRsub
                                                                                               => ( binintersectI
                                                                                                 => ( binintersectSubset5
                                                                                                   => ( binintersectEL
                                                                                                     => ( binintersectLsub
                                                                                                       => ( binintersectSubset2
                                                                                                         => ( binintersectSubset3
                                                                                                           => ( binintersectER
                                                                                                             => ( disjointsetsI1
                                                                                                               => ( binintersectRsub
                                                                                                                 => ( binintersectSubset4
                                                                                                                   => ( binintersectSubset1
                                                                                                                     => ( bs114d
                                                                                                                       => ( setminusI
                                                                                                                         => ( setminusEL
                                                                                                                           => ( setminusER
                                                                                                                             => ( setminusSubset2
                                                                                                                               => ( setminusERneg
                                                                                                                                 => ( setminusELneg
                                                                                                                                   => ( setminusILneg
                                                                                                                                     => ( setminusIRneg
                                                                                                                                       => ( setminusLsub
                                                                                                                                         => ( setminusSubset1
                                                                                                                                           => ( symdiffE
                                                                                                                                             => ( symdiffI1
                                                                                                                                               => ( symdiffI2
                                                                                                                                                 => ( symdiffIneg1
                                                                                                                                                   => ( symdiffIneg2
                                                                                                                                                     => ( secondinupair
                                                                                                                                                       => ( setukpairIL
                                                                                                                                                         => ( setukpairIR
                                                                                                                                                           => ( kpairiskpair
                                                                                                                                                             => ( kpairp
                                                                                                                                                               => ( singletonsubset
                                                                                                                                                                 => ( singletoninpowerset
                                                                                                                                                                   => ( singletoninpowunion
                                                                                                                                                                     => ( upairset2E
                                                                                                                                                                       => ( upairsubunion
                                                                                                                                                                         => ( upairinpowunion
                                                                                                                                                                           => ( ubforcartprodlem1
                                                                                                                                                                             => ( ubforcartprodlem2
                                                                                                                                                                               => ( ubforcartprodlem3
                                                                                                                                                                                 => ( cartprodpairin
                                                                                                                                                                                   => ( cartprodmempair1
                                                                                                                                                                                     => ( cartprodmempair
                                                                                                                                                                                       => ( setunionE2
                                                                                                                                                                                         => ( setunionsingleton1
                                                                                                                                                                                           => ( setunionsingleton2
                                                                                                                                                                                             => ( setunionsingleton
                                                                                                                                                                                               => ( singletonprop
                                                                                                                                                                                                 => ( ex1E1
                                                                                                                                                                                                   => ( ex1I
                                                                                                                                                                                                     => ( ex1I2
                                                                                                                                                                                                       => ( singletonsuniq
                                                                                                                                                                                                         => ( setukpairinjL1
                                                                                                                                                                                                           => ( kfstsingleton
                                                                                                                                                                                                             => ( theprop
                                                                                                                                                                                                               => ( kfstpairEq
                                                                                                                                                                                                                 => ( cartprodfstin
                                                                                                                                                                                                                   => ( setukpairinjL2
                                                                                                                                                                                                                     => ( setukpairinjL
                                                                                                                                                                                                                       => ( setukpairinjR11
                                                                                                                                                                                                                         => ( setukpairinjR12
                                                                                                                                                                                                                           => ( setukpairinjR1
                                                                                                                                                                                                                             => ( upairequniteq
                                                                                                                                                                                                                               => ( setukpairinjR2
                                                                                                                                                                                                                                 => ( setukpairinjR
                                                                                                                                                                                                                                   => ( ksndsingleton
                                                                                                                                                                                                                                     => ( ksndpairEq
                                                                                                                                                                                                                                       => ( kpairsurjEq
                                                                                                                                                                                                                                         => ( cartprodsndin
                                                                                                                                                                                                                                           => ( cartprodpairmemEL
                                                                                                                                                                                                                                             => ( cartprodpairmemER
                                                                                                                                                                                                                                               => ( cartprodmempaircEq
                                                                                                                                                                                                                                                 => ( cartprodfstpairEq
                                                                                                                                                                                                                                                   => ( cartprodsndpairEq
                                                                                                                                                                                                                                                     => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                       => ( dpsetconstrI
                                                                                                                                                                                                                                                         => ( dpsetconstrSub
                                                                                                                                                                                                                                                           => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                             => ( dpsetconstrERa
                                                                                                                                                                                                                                                               => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                 => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                   => ( dpsetconstrER
                                                                                                                                                                                                                                                                     => ( funcImageSingleton
                                                                                                                                                                                                                                                                       => ( apProp
                                                                                                                                                                                                                                                                         => ( app
                                                                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                          ( ( in @ Y0
                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                  ( ( !! @ $i
                                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                              ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                         => ( ( !! @ $i
                                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                        ( ( in @ Y4
                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4762]) ).

thf(f4767,plain,
    ( ( exuI1
     => ( exuI3
       => ( exuI2
         => ( inCongP
           => ( in__Cong
             => ( exuE3u
               => ( exu__Cong
                 => ( emptyset__Cong
                   => ( setadjoin__Cong
                     => ( powerset__Cong
                       => ( setunion__Cong
                         => ( omega__Cong
                           => ( exuEu
                             => ( descr__Cong
                               => ( dsetconstr__Cong
                                 => ( subsetI1
                                   => ( eqimpsubset2
                                     => ( eqimpsubset1
                                       => ( subsetI2
                                         => ( emptysetsubset
                                           => ( subsetE
                                             => ( subsetE2
                                               => ( notsubsetI
                                                 => ( notequalI1
                                                   => ( notequalI2
                                                     => ( subsetRefl
                                                       => ( subsetTrans
                                                         => ( setadjoinSub
                                                           => ( setadjoinSub2
                                                             => ( subset2powerset
                                                               => ( setextsub
                                                                 => ( subsetemptysetimpeq
                                                                   => ( powersetI1
                                                                     => ( powersetE1
                                                                       => ( inPowerset
                                                                         => ( powersetsubset
                                                                           => ( sepInPowerset
                                                                             => ( sepSubset
                                                                               => ( binunionIL
                                                                                 => ( upairset2IR
                                                                                   => ( binunionIR
                                                                                     => ( binunionEcases
                                                                                       => ( binunionE
                                                                                         => ( binunionLsub
                                                                                           => ( binunionRsub
                                                                                             => ( binintersectI
                                                                                               => ( binintersectSubset5
                                                                                                 => ( binintersectEL
                                                                                                   => ( binintersectLsub
                                                                                                     => ( binintersectSubset2
                                                                                                       => ( binintersectSubset3
                                                                                                         => ( binintersectER
                                                                                                           => ( disjointsetsI1
                                                                                                             => ( binintersectRsub
                                                                                                               => ( binintersectSubset4
                                                                                                                 => ( binintersectSubset1
                                                                                                                   => ( bs114d
                                                                                                                     => ( setminusI
                                                                                                                       => ( setminusEL
                                                                                                                         => ( setminusER
                                                                                                                           => ( setminusSubset2
                                                                                                                             => ( setminusERneg
                                                                                                                               => ( setminusELneg
                                                                                                                                 => ( setminusILneg
                                                                                                                                   => ( setminusIRneg
                                                                                                                                     => ( setminusLsub
                                                                                                                                       => ( setminusSubset1
                                                                                                                                         => ( symdiffE
                                                                                                                                           => ( symdiffI1
                                                                                                                                             => ( symdiffI2
                                                                                                                                               => ( symdiffIneg1
                                                                                                                                                 => ( symdiffIneg2
                                                                                                                                                   => ( secondinupair
                                                                                                                                                     => ( setukpairIL
                                                                                                                                                       => ( setukpairIR
                                                                                                                                                         => ( kpairiskpair
                                                                                                                                                           => ( kpairp
                                                                                                                                                             => ( singletonsubset
                                                                                                                                                               => ( singletoninpowerset
                                                                                                                                                                 => ( singletoninpowunion
                                                                                                                                                                   => ( upairset2E
                                                                                                                                                                     => ( upairsubunion
                                                                                                                                                                       => ( upairinpowunion
                                                                                                                                                                         => ( ubforcartprodlem1
                                                                                                                                                                           => ( ubforcartprodlem2
                                                                                                                                                                             => ( ubforcartprodlem3
                                                                                                                                                                               => ( cartprodpairin
                                                                                                                                                                                 => ( cartprodmempair1
                                                                                                                                                                                   => ( cartprodmempair
                                                                                                                                                                                     => ( setunionE2
                                                                                                                                                                                       => ( setunionsingleton1
                                                                                                                                                                                         => ( setunionsingleton2
                                                                                                                                                                                           => ( setunionsingleton
                                                                                                                                                                                             => ( singletonprop
                                                                                                                                                                                               => ( ex1E1
                                                                                                                                                                                                 => ( ex1I
                                                                                                                                                                                                   => ( ex1I2
                                                                                                                                                                                                     => ( singletonsuniq
                                                                                                                                                                                                       => ( setukpairinjL1
                                                                                                                                                                                                         => ( kfstsingleton
                                                                                                                                                                                                           => ( theprop
                                                                                                                                                                                                             => ( kfstpairEq
                                                                                                                                                                                                               => ( cartprodfstin
                                                                                                                                                                                                                 => ( setukpairinjL2
                                                                                                                                                                                                                   => ( setukpairinjL
                                                                                                                                                                                                                     => ( setukpairinjR11
                                                                                                                                                                                                                       => ( setukpairinjR12
                                                                                                                                                                                                                         => ( setukpairinjR1
                                                                                                                                                                                                                           => ( upairequniteq
                                                                                                                                                                                                                             => ( setukpairinjR2
                                                                                                                                                                                                                               => ( setukpairinjR
                                                                                                                                                                                                                                 => ( ksndsingleton
                                                                                                                                                                                                                                   => ( ksndpairEq
                                                                                                                                                                                                                                     => ( kpairsurjEq
                                                                                                                                                                                                                                       => ( cartprodsndin
                                                                                                                                                                                                                                         => ( cartprodpairmemEL
                                                                                                                                                                                                                                           => ( cartprodpairmemER
                                                                                                                                                                                                                                             => ( cartprodmempaircEq
                                                                                                                                                                                                                                               => ( cartprodfstpairEq
                                                                                                                                                                                                                                                 => ( cartprodsndpairEq
                                                                                                                                                                                                                                                   => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                     => ( dpsetconstrI
                                                                                                                                                                                                                                                       => ( dpsetconstrSub
                                                                                                                                                                                                                                                         => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                           => ( dpsetconstrERa
                                                                                                                                                                                                                                                             => ( dpsetconstrEL1
                                                                                                                                                                                                                                                               => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                 => ( dpsetconstrER
                                                                                                                                                                                                                                                                   => ( funcImageSingleton
                                                                                                                                                                                                                                                                     => ( apProp
                                                                                                                                                                                                                                                                       => ( app
                                                                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                        ( ( in @ Y0
                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                ( ( !! @ $i
                                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                            ( ( in @ Y5
                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                       => ( ( !! @ $i
                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                      ( ( in @ Y4
                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4765]) ).

thf(f4770,plain,
    ( $false
    = ( exuI3
     => ( exuI2
       => ( inCongP
         => ( in__Cong
           => ( exuE3u
             => ( exu__Cong
               => ( emptyset__Cong
                 => ( setadjoin__Cong
                   => ( powerset__Cong
                     => ( setunion__Cong
                       => ( omega__Cong
                         => ( exuEu
                           => ( descr__Cong
                             => ( dsetconstr__Cong
                               => ( subsetI1
                                 => ( eqimpsubset2
                                   => ( eqimpsubset1
                                     => ( subsetI2
                                       => ( emptysetsubset
                                         => ( subsetE
                                           => ( subsetE2
                                             => ( notsubsetI
                                               => ( notequalI1
                                                 => ( notequalI2
                                                   => ( subsetRefl
                                                     => ( subsetTrans
                                                       => ( setadjoinSub
                                                         => ( setadjoinSub2
                                                           => ( subset2powerset
                                                             => ( setextsub
                                                               => ( subsetemptysetimpeq
                                                                 => ( powersetI1
                                                                   => ( powersetE1
                                                                     => ( inPowerset
                                                                       => ( powersetsubset
                                                                         => ( sepInPowerset
                                                                           => ( sepSubset
                                                                             => ( binunionIL
                                                                               => ( upairset2IR
                                                                                 => ( binunionIR
                                                                                   => ( binunionEcases
                                                                                     => ( binunionE
                                                                                       => ( binunionLsub
                                                                                         => ( binunionRsub
                                                                                           => ( binintersectI
                                                                                             => ( binintersectSubset5
                                                                                               => ( binintersectEL
                                                                                                 => ( binintersectLsub
                                                                                                   => ( binintersectSubset2
                                                                                                     => ( binintersectSubset3
                                                                                                       => ( binintersectER
                                                                                                         => ( disjointsetsI1
                                                                                                           => ( binintersectRsub
                                                                                                             => ( binintersectSubset4
                                                                                                               => ( binintersectSubset1
                                                                                                                 => ( bs114d
                                                                                                                   => ( setminusI
                                                                                                                     => ( setminusEL
                                                                                                                       => ( setminusER
                                                                                                                         => ( setminusSubset2
                                                                                                                           => ( setminusERneg
                                                                                                                             => ( setminusELneg
                                                                                                                               => ( setminusILneg
                                                                                                                                 => ( setminusIRneg
                                                                                                                                   => ( setminusLsub
                                                                                                                                     => ( setminusSubset1
                                                                                                                                       => ( symdiffE
                                                                                                                                         => ( symdiffI1
                                                                                                                                           => ( symdiffI2
                                                                                                                                             => ( symdiffIneg1
                                                                                                                                               => ( symdiffIneg2
                                                                                                                                                 => ( secondinupair
                                                                                                                                                   => ( setukpairIL
                                                                                                                                                     => ( setukpairIR
                                                                                                                                                       => ( kpairiskpair
                                                                                                                                                         => ( kpairp
                                                                                                                                                           => ( singletonsubset
                                                                                                                                                             => ( singletoninpowerset
                                                                                                                                                               => ( singletoninpowunion
                                                                                                                                                                 => ( upairset2E
                                                                                                                                                                   => ( upairsubunion
                                                                                                                                                                     => ( upairinpowunion
                                                                                                                                                                       => ( ubforcartprodlem1
                                                                                                                                                                         => ( ubforcartprodlem2
                                                                                                                                                                           => ( ubforcartprodlem3
                                                                                                                                                                             => ( cartprodpairin
                                                                                                                                                                               => ( cartprodmempair1
                                                                                                                                                                                 => ( cartprodmempair
                                                                                                                                                                                   => ( setunionE2
                                                                                                                                                                                     => ( setunionsingleton1
                                                                                                                                                                                       => ( setunionsingleton2
                                                                                                                                                                                         => ( setunionsingleton
                                                                                                                                                                                           => ( singletonprop
                                                                                                                                                                                             => ( ex1E1
                                                                                                                                                                                               => ( ex1I
                                                                                                                                                                                                 => ( ex1I2
                                                                                                                                                                                                   => ( singletonsuniq
                                                                                                                                                                                                     => ( setukpairinjL1
                                                                                                                                                                                                       => ( kfstsingleton
                                                                                                                                                                                                         => ( theprop
                                                                                                                                                                                                           => ( kfstpairEq
                                                                                                                                                                                                             => ( cartprodfstin
                                                                                                                                                                                                               => ( setukpairinjL2
                                                                                                                                                                                                                 => ( setukpairinjL
                                                                                                                                                                                                                   => ( setukpairinjR11
                                                                                                                                                                                                                     => ( setukpairinjR12
                                                                                                                                                                                                                       => ( setukpairinjR1
                                                                                                                                                                                                                         => ( upairequniteq
                                                                                                                                                                                                                           => ( setukpairinjR2
                                                                                                                                                                                                                             => ( setukpairinjR
                                                                                                                                                                                                                               => ( ksndsingleton
                                                                                                                                                                                                                                 => ( ksndpairEq
                                                                                                                                                                                                                                   => ( kpairsurjEq
                                                                                                                                                                                                                                     => ( cartprodsndin
                                                                                                                                                                                                                                       => ( cartprodpairmemEL
                                                                                                                                                                                                                                         => ( cartprodpairmemER
                                                                                                                                                                                                                                           => ( cartprodmempaircEq
                                                                                                                                                                                                                                             => ( cartprodfstpairEq
                                                                                                                                                                                                                                               => ( cartprodsndpairEq
                                                                                                                                                                                                                                                 => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                   => ( dpsetconstrI
                                                                                                                                                                                                                                                     => ( dpsetconstrSub
                                                                                                                                                                                                                                                       => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                         => ( dpsetconstrERa
                                                                                                                                                                                                                                                           => ( dpsetconstrEL1
                                                                                                                                                                                                                                                             => ( dpsetconstrEL2
                                                                                                                                                                                                                                                               => ( dpsetconstrER
                                                                                                                                                                                                                                                                 => ( funcImageSingleton
                                                                                                                                                                                                                                                                   => ( apProp
                                                                                                                                                                                                                                                                     => ( app
                                                                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                      ( ( in @ Y0
                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                              ( ( !! @ $i
                                                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                          ( ( in @ Y5
                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                     => ( ( !! @ $i
                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                    ( ( in @ Y4
                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4767]) ).

thf(f4774,plain,
    ( ( exuI2
     => ( inCongP
       => ( in__Cong
         => ( exuE3u
           => ( exu__Cong
             => ( emptyset__Cong
               => ( setadjoin__Cong
                 => ( powerset__Cong
                   => ( setunion__Cong
                     => ( omega__Cong
                       => ( exuEu
                         => ( descr__Cong
                           => ( dsetconstr__Cong
                             => ( subsetI1
                               => ( eqimpsubset2
                                 => ( eqimpsubset1
                                   => ( subsetI2
                                     => ( emptysetsubset
                                       => ( subsetE
                                         => ( subsetE2
                                           => ( notsubsetI
                                             => ( notequalI1
                                               => ( notequalI2
                                                 => ( subsetRefl
                                                   => ( subsetTrans
                                                     => ( setadjoinSub
                                                       => ( setadjoinSub2
                                                         => ( subset2powerset
                                                           => ( setextsub
                                                             => ( subsetemptysetimpeq
                                                               => ( powersetI1
                                                                 => ( powersetE1
                                                                   => ( inPowerset
                                                                     => ( powersetsubset
                                                                       => ( sepInPowerset
                                                                         => ( sepSubset
                                                                           => ( binunionIL
                                                                             => ( upairset2IR
                                                                               => ( binunionIR
                                                                                 => ( binunionEcases
                                                                                   => ( binunionE
                                                                                     => ( binunionLsub
                                                                                       => ( binunionRsub
                                                                                         => ( binintersectI
                                                                                           => ( binintersectSubset5
                                                                                             => ( binintersectEL
                                                                                               => ( binintersectLsub
                                                                                                 => ( binintersectSubset2
                                                                                                   => ( binintersectSubset3
                                                                                                     => ( binintersectER
                                                                                                       => ( disjointsetsI1
                                                                                                         => ( binintersectRsub
                                                                                                           => ( binintersectSubset4
                                                                                                             => ( binintersectSubset1
                                                                                                               => ( bs114d
                                                                                                                 => ( setminusI
                                                                                                                   => ( setminusEL
                                                                                                                     => ( setminusER
                                                                                                                       => ( setminusSubset2
                                                                                                                         => ( setminusERneg
                                                                                                                           => ( setminusELneg
                                                                                                                             => ( setminusILneg
                                                                                                                               => ( setminusIRneg
                                                                                                                                 => ( setminusLsub
                                                                                                                                   => ( setminusSubset1
                                                                                                                                     => ( symdiffE
                                                                                                                                       => ( symdiffI1
                                                                                                                                         => ( symdiffI2
                                                                                                                                           => ( symdiffIneg1
                                                                                                                                             => ( symdiffIneg2
                                                                                                                                               => ( secondinupair
                                                                                                                                                 => ( setukpairIL
                                                                                                                                                   => ( setukpairIR
                                                                                                                                                     => ( kpairiskpair
                                                                                                                                                       => ( kpairp
                                                                                                                                                         => ( singletonsubset
                                                                                                                                                           => ( singletoninpowerset
                                                                                                                                                             => ( singletoninpowunion
                                                                                                                                                               => ( upairset2E
                                                                                                                                                                 => ( upairsubunion
                                                                                                                                                                   => ( upairinpowunion
                                                                                                                                                                     => ( ubforcartprodlem1
                                                                                                                                                                       => ( ubforcartprodlem2
                                                                                                                                                                         => ( ubforcartprodlem3
                                                                                                                                                                           => ( cartprodpairin
                                                                                                                                                                             => ( cartprodmempair1
                                                                                                                                                                               => ( cartprodmempair
                                                                                                                                                                                 => ( setunionE2
                                                                                                                                                                                   => ( setunionsingleton1
                                                                                                                                                                                     => ( setunionsingleton2
                                                                                                                                                                                       => ( setunionsingleton
                                                                                                                                                                                         => ( singletonprop
                                                                                                                                                                                           => ( ex1E1
                                                                                                                                                                                             => ( ex1I
                                                                                                                                                                                               => ( ex1I2
                                                                                                                                                                                                 => ( singletonsuniq
                                                                                                                                                                                                   => ( setukpairinjL1
                                                                                                                                                                                                     => ( kfstsingleton
                                                                                                                                                                                                       => ( theprop
                                                                                                                                                                                                         => ( kfstpairEq
                                                                                                                                                                                                           => ( cartprodfstin
                                                                                                                                                                                                             => ( setukpairinjL2
                                                                                                                                                                                                               => ( setukpairinjL
                                                                                                                                                                                                                 => ( setukpairinjR11
                                                                                                                                                                                                                   => ( setukpairinjR12
                                                                                                                                                                                                                     => ( setukpairinjR1
                                                                                                                                                                                                                       => ( upairequniteq
                                                                                                                                                                                                                         => ( setukpairinjR2
                                                                                                                                                                                                                           => ( setukpairinjR
                                                                                                                                                                                                                             => ( ksndsingleton
                                                                                                                                                                                                                               => ( ksndpairEq
                                                                                                                                                                                                                                 => ( kpairsurjEq
                                                                                                                                                                                                                                   => ( cartprodsndin
                                                                                                                                                                                                                                     => ( cartprodpairmemEL
                                                                                                                                                                                                                                       => ( cartprodpairmemER
                                                                                                                                                                                                                                         => ( cartprodmempaircEq
                                                                                                                                                                                                                                           => ( cartprodfstpairEq
                                                                                                                                                                                                                                             => ( cartprodsndpairEq
                                                                                                                                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                 => ( dpsetconstrI
                                                                                                                                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                                                                                                                                             => ( dpsetconstrER
                                                                                                                                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                                                                                                                                 => ( apProp
                                                                                                                                                                                                                                                                   => ( app
                                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                    ( ( in @ Y0
                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                            ( ( !! @ $i
                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                        ( ( in @ Y5
                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                   => ( ( !! @ $i
                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                  ( ( in @ Y4
                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4770]) ).

thf(f4776,plain,
    ( $false
    = ( inCongP
     => ( in__Cong
       => ( exuE3u
         => ( exu__Cong
           => ( emptyset__Cong
             => ( setadjoin__Cong
               => ( powerset__Cong
                 => ( setunion__Cong
                   => ( omega__Cong
                     => ( exuEu
                       => ( descr__Cong
                         => ( dsetconstr__Cong
                           => ( subsetI1
                             => ( eqimpsubset2
                               => ( eqimpsubset1
                                 => ( subsetI2
                                   => ( emptysetsubset
                                     => ( subsetE
                                       => ( subsetE2
                                         => ( notsubsetI
                                           => ( notequalI1
                                             => ( notequalI2
                                               => ( subsetRefl
                                                 => ( subsetTrans
                                                   => ( setadjoinSub
                                                     => ( setadjoinSub2
                                                       => ( subset2powerset
                                                         => ( setextsub
                                                           => ( subsetemptysetimpeq
                                                             => ( powersetI1
                                                               => ( powersetE1
                                                                 => ( inPowerset
                                                                   => ( powersetsubset
                                                                     => ( sepInPowerset
                                                                       => ( sepSubset
                                                                         => ( binunionIL
                                                                           => ( upairset2IR
                                                                             => ( binunionIR
                                                                               => ( binunionEcases
                                                                                 => ( binunionE
                                                                                   => ( binunionLsub
                                                                                     => ( binunionRsub
                                                                                       => ( binintersectI
                                                                                         => ( binintersectSubset5
                                                                                           => ( binintersectEL
                                                                                             => ( binintersectLsub
                                                                                               => ( binintersectSubset2
                                                                                                 => ( binintersectSubset3
                                                                                                   => ( binintersectER
                                                                                                     => ( disjointsetsI1
                                                                                                       => ( binintersectRsub
                                                                                                         => ( binintersectSubset4
                                                                                                           => ( binintersectSubset1
                                                                                                             => ( bs114d
                                                                                                               => ( setminusI
                                                                                                                 => ( setminusEL
                                                                                                                   => ( setminusER
                                                                                                                     => ( setminusSubset2
                                                                                                                       => ( setminusERneg
                                                                                                                         => ( setminusELneg
                                                                                                                           => ( setminusILneg
                                                                                                                             => ( setminusIRneg
                                                                                                                               => ( setminusLsub
                                                                                                                                 => ( setminusSubset1
                                                                                                                                   => ( symdiffE
                                                                                                                                     => ( symdiffI1
                                                                                                                                       => ( symdiffI2
                                                                                                                                         => ( symdiffIneg1
                                                                                                                                           => ( symdiffIneg2
                                                                                                                                             => ( secondinupair
                                                                                                                                               => ( setukpairIL
                                                                                                                                                 => ( setukpairIR
                                                                                                                                                   => ( kpairiskpair
                                                                                                                                                     => ( kpairp
                                                                                                                                                       => ( singletonsubset
                                                                                                                                                         => ( singletoninpowerset
                                                                                                                                                           => ( singletoninpowunion
                                                                                                                                                             => ( upairset2E
                                                                                                                                                               => ( upairsubunion
                                                                                                                                                                 => ( upairinpowunion
                                                                                                                                                                   => ( ubforcartprodlem1
                                                                                                                                                                     => ( ubforcartprodlem2
                                                                                                                                                                       => ( ubforcartprodlem3
                                                                                                                                                                         => ( cartprodpairin
                                                                                                                                                                           => ( cartprodmempair1
                                                                                                                                                                             => ( cartprodmempair
                                                                                                                                                                               => ( setunionE2
                                                                                                                                                                                 => ( setunionsingleton1
                                                                                                                                                                                   => ( setunionsingleton2
                                                                                                                                                                                     => ( setunionsingleton
                                                                                                                                                                                       => ( singletonprop
                                                                                                                                                                                         => ( ex1E1
                                                                                                                                                                                           => ( ex1I
                                                                                                                                                                                             => ( ex1I2
                                                                                                                                                                                               => ( singletonsuniq
                                                                                                                                                                                                 => ( setukpairinjL1
                                                                                                                                                                                                   => ( kfstsingleton
                                                                                                                                                                                                     => ( theprop
                                                                                                                                                                                                       => ( kfstpairEq
                                                                                                                                                                                                         => ( cartprodfstin
                                                                                                                                                                                                           => ( setukpairinjL2
                                                                                                                                                                                                             => ( setukpairinjL
                                                                                                                                                                                                               => ( setukpairinjR11
                                                                                                                                                                                                                 => ( setukpairinjR12
                                                                                                                                                                                                                   => ( setukpairinjR1
                                                                                                                                                                                                                     => ( upairequniteq
                                                                                                                                                                                                                       => ( setukpairinjR2
                                                                                                                                                                                                                         => ( setukpairinjR
                                                                                                                                                                                                                           => ( ksndsingleton
                                                                                                                                                                                                                             => ( ksndpairEq
                                                                                                                                                                                                                               => ( kpairsurjEq
                                                                                                                                                                                                                                 => ( cartprodsndin
                                                                                                                                                                                                                                   => ( cartprodpairmemEL
                                                                                                                                                                                                                                     => ( cartprodpairmemER
                                                                                                                                                                                                                                       => ( cartprodmempaircEq
                                                                                                                                                                                                                                         => ( cartprodfstpairEq
                                                                                                                                                                                                                                           => ( cartprodsndpairEq
                                                                                                                                                                                                                                             => ( cartprodpairsurjEq
                                                                                                                                                                                                                                               => ( dpsetconstrI
                                                                                                                                                                                                                                                 => ( dpsetconstrSub
                                                                                                                                                                                                                                                   => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                     => ( dpsetconstrERa
                                                                                                                                                                                                                                                       => ( dpsetconstrEL1
                                                                                                                                                                                                                                                         => ( dpsetconstrEL2
                                                                                                                                                                                                                                                           => ( dpsetconstrER
                                                                                                                                                                                                                                                             => ( funcImageSingleton
                                                                                                                                                                                                                                                               => ( apProp
                                                                                                                                                                                                                                                                 => ( app
                                                                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                  ( ( in @ Y0
                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                          ( ( !! @ $i
                                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                      ( ( in @ Y5
                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                 => ( ( !! @ $i
                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                ( ( in @ Y4
                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4774]) ).

thf(f4780,plain,
    ( ( in__Cong
     => ( exuE3u
       => ( exu__Cong
         => ( emptyset__Cong
           => ( setadjoin__Cong
             => ( powerset__Cong
               => ( setunion__Cong
                 => ( omega__Cong
                   => ( exuEu
                     => ( descr__Cong
                       => ( dsetconstr__Cong
                         => ( subsetI1
                           => ( eqimpsubset2
                             => ( eqimpsubset1
                               => ( subsetI2
                                 => ( emptysetsubset
                                   => ( subsetE
                                     => ( subsetE2
                                       => ( notsubsetI
                                         => ( notequalI1
                                           => ( notequalI2
                                             => ( subsetRefl
                                               => ( subsetTrans
                                                 => ( setadjoinSub
                                                   => ( setadjoinSub2
                                                     => ( subset2powerset
                                                       => ( setextsub
                                                         => ( subsetemptysetimpeq
                                                           => ( powersetI1
                                                             => ( powersetE1
                                                               => ( inPowerset
                                                                 => ( powersetsubset
                                                                   => ( sepInPowerset
                                                                     => ( sepSubset
                                                                       => ( binunionIL
                                                                         => ( upairset2IR
                                                                           => ( binunionIR
                                                                             => ( binunionEcases
                                                                               => ( binunionE
                                                                                 => ( binunionLsub
                                                                                   => ( binunionRsub
                                                                                     => ( binintersectI
                                                                                       => ( binintersectSubset5
                                                                                         => ( binintersectEL
                                                                                           => ( binintersectLsub
                                                                                             => ( binintersectSubset2
                                                                                               => ( binintersectSubset3
                                                                                                 => ( binintersectER
                                                                                                   => ( disjointsetsI1
                                                                                                     => ( binintersectRsub
                                                                                                       => ( binintersectSubset4
                                                                                                         => ( binintersectSubset1
                                                                                                           => ( bs114d
                                                                                                             => ( setminusI
                                                                                                               => ( setminusEL
                                                                                                                 => ( setminusER
                                                                                                                   => ( setminusSubset2
                                                                                                                     => ( setminusERneg
                                                                                                                       => ( setminusELneg
                                                                                                                         => ( setminusILneg
                                                                                                                           => ( setminusIRneg
                                                                                                                             => ( setminusLsub
                                                                                                                               => ( setminusSubset1
                                                                                                                                 => ( symdiffE
                                                                                                                                   => ( symdiffI1
                                                                                                                                     => ( symdiffI2
                                                                                                                                       => ( symdiffIneg1
                                                                                                                                         => ( symdiffIneg2
                                                                                                                                           => ( secondinupair
                                                                                                                                             => ( setukpairIL
                                                                                                                                               => ( setukpairIR
                                                                                                                                                 => ( kpairiskpair
                                                                                                                                                   => ( kpairp
                                                                                                                                                     => ( singletonsubset
                                                                                                                                                       => ( singletoninpowerset
                                                                                                                                                         => ( singletoninpowunion
                                                                                                                                                           => ( upairset2E
                                                                                                                                                             => ( upairsubunion
                                                                                                                                                               => ( upairinpowunion
                                                                                                                                                                 => ( ubforcartprodlem1
                                                                                                                                                                   => ( ubforcartprodlem2
                                                                                                                                                                     => ( ubforcartprodlem3
                                                                                                                                                                       => ( cartprodpairin
                                                                                                                                                                         => ( cartprodmempair1
                                                                                                                                                                           => ( cartprodmempair
                                                                                                                                                                             => ( setunionE2
                                                                                                                                                                               => ( setunionsingleton1
                                                                                                                                                                                 => ( setunionsingleton2
                                                                                                                                                                                   => ( setunionsingleton
                                                                                                                                                                                     => ( singletonprop
                                                                                                                                                                                       => ( ex1E1
                                                                                                                                                                                         => ( ex1I
                                                                                                                                                                                           => ( ex1I2
                                                                                                                                                                                             => ( singletonsuniq
                                                                                                                                                                                               => ( setukpairinjL1
                                                                                                                                                                                                 => ( kfstsingleton
                                                                                                                                                                                                   => ( theprop
                                                                                                                                                                                                     => ( kfstpairEq
                                                                                                                                                                                                       => ( cartprodfstin
                                                                                                                                                                                                         => ( setukpairinjL2
                                                                                                                                                                                                           => ( setukpairinjL
                                                                                                                                                                                                             => ( setukpairinjR11
                                                                                                                                                                                                               => ( setukpairinjR12
                                                                                                                                                                                                                 => ( setukpairinjR1
                                                                                                                                                                                                                   => ( upairequniteq
                                                                                                                                                                                                                     => ( setukpairinjR2
                                                                                                                                                                                                                       => ( setukpairinjR
                                                                                                                                                                                                                         => ( ksndsingleton
                                                                                                                                                                                                                           => ( ksndpairEq
                                                                                                                                                                                                                             => ( kpairsurjEq
                                                                                                                                                                                                                               => ( cartprodsndin
                                                                                                                                                                                                                                 => ( cartprodpairmemEL
                                                                                                                                                                                                                                   => ( cartprodpairmemER
                                                                                                                                                                                                                                     => ( cartprodmempaircEq
                                                                                                                                                                                                                                       => ( cartprodfstpairEq
                                                                                                                                                                                                                                         => ( cartprodsndpairEq
                                                                                                                                                                                                                                           => ( cartprodpairsurjEq
                                                                                                                                                                                                                                             => ( dpsetconstrI
                                                                                                                                                                                                                                               => ( dpsetconstrSub
                                                                                                                                                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                   => ( dpsetconstrERa
                                                                                                                                                                                                                                                     => ( dpsetconstrEL1
                                                                                                                                                                                                                                                       => ( dpsetconstrEL2
                                                                                                                                                                                                                                                         => ( dpsetconstrER
                                                                                                                                                                                                                                                           => ( funcImageSingleton
                                                                                                                                                                                                                                                             => ( apProp
                                                                                                                                                                                                                                                               => ( app
                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                ( ( in @ Y0
                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                        ( ( !! @ $i
                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                               => ( ( !! @ $i
                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4776]) ).

thf(f4783,plain,
    ( $false
    = ( exuE3u
     => ( exu__Cong
       => ( emptyset__Cong
         => ( setadjoin__Cong
           => ( powerset__Cong
             => ( setunion__Cong
               => ( omega__Cong
                 => ( exuEu
                   => ( descr__Cong
                     => ( dsetconstr__Cong
                       => ( subsetI1
                         => ( eqimpsubset2
                           => ( eqimpsubset1
                             => ( subsetI2
                               => ( emptysetsubset
                                 => ( subsetE
                                   => ( subsetE2
                                     => ( notsubsetI
                                       => ( notequalI1
                                         => ( notequalI2
                                           => ( subsetRefl
                                             => ( subsetTrans
                                               => ( setadjoinSub
                                                 => ( setadjoinSub2
                                                   => ( subset2powerset
                                                     => ( setextsub
                                                       => ( subsetemptysetimpeq
                                                         => ( powersetI1
                                                           => ( powersetE1
                                                             => ( inPowerset
                                                               => ( powersetsubset
                                                                 => ( sepInPowerset
                                                                   => ( sepSubset
                                                                     => ( binunionIL
                                                                       => ( upairset2IR
                                                                         => ( binunionIR
                                                                           => ( binunionEcases
                                                                             => ( binunionE
                                                                               => ( binunionLsub
                                                                                 => ( binunionRsub
                                                                                   => ( binintersectI
                                                                                     => ( binintersectSubset5
                                                                                       => ( binintersectEL
                                                                                         => ( binintersectLsub
                                                                                           => ( binintersectSubset2
                                                                                             => ( binintersectSubset3
                                                                                               => ( binintersectER
                                                                                                 => ( disjointsetsI1
                                                                                                   => ( binintersectRsub
                                                                                                     => ( binintersectSubset4
                                                                                                       => ( binintersectSubset1
                                                                                                         => ( bs114d
                                                                                                           => ( setminusI
                                                                                                             => ( setminusEL
                                                                                                               => ( setminusER
                                                                                                                 => ( setminusSubset2
                                                                                                                   => ( setminusERneg
                                                                                                                     => ( setminusELneg
                                                                                                                       => ( setminusILneg
                                                                                                                         => ( setminusIRneg
                                                                                                                           => ( setminusLsub
                                                                                                                             => ( setminusSubset1
                                                                                                                               => ( symdiffE
                                                                                                                                 => ( symdiffI1
                                                                                                                                   => ( symdiffI2
                                                                                                                                     => ( symdiffIneg1
                                                                                                                                       => ( symdiffIneg2
                                                                                                                                         => ( secondinupair
                                                                                                                                           => ( setukpairIL
                                                                                                                                             => ( setukpairIR
                                                                                                                                               => ( kpairiskpair
                                                                                                                                                 => ( kpairp
                                                                                                                                                   => ( singletonsubset
                                                                                                                                                     => ( singletoninpowerset
                                                                                                                                                       => ( singletoninpowunion
                                                                                                                                                         => ( upairset2E
                                                                                                                                                           => ( upairsubunion
                                                                                                                                                             => ( upairinpowunion
                                                                                                                                                               => ( ubforcartprodlem1
                                                                                                                                                                 => ( ubforcartprodlem2
                                                                                                                                                                   => ( ubforcartprodlem3
                                                                                                                                                                     => ( cartprodpairin
                                                                                                                                                                       => ( cartprodmempair1
                                                                                                                                                                         => ( cartprodmempair
                                                                                                                                                                           => ( setunionE2
                                                                                                                                                                             => ( setunionsingleton1
                                                                                                                                                                               => ( setunionsingleton2
                                                                                                                                                                                 => ( setunionsingleton
                                                                                                                                                                                   => ( singletonprop
                                                                                                                                                                                     => ( ex1E1
                                                                                                                                                                                       => ( ex1I
                                                                                                                                                                                         => ( ex1I2
                                                                                                                                                                                           => ( singletonsuniq
                                                                                                                                                                                             => ( setukpairinjL1
                                                                                                                                                                                               => ( kfstsingleton
                                                                                                                                                                                                 => ( theprop
                                                                                                                                                                                                   => ( kfstpairEq
                                                                                                                                                                                                     => ( cartprodfstin
                                                                                                                                                                                                       => ( setukpairinjL2
                                                                                                                                                                                                         => ( setukpairinjL
                                                                                                                                                                                                           => ( setukpairinjR11
                                                                                                                                                                                                             => ( setukpairinjR12
                                                                                                                                                                                                               => ( setukpairinjR1
                                                                                                                                                                                                                 => ( upairequniteq
                                                                                                                                                                                                                   => ( setukpairinjR2
                                                                                                                                                                                                                     => ( setukpairinjR
                                                                                                                                                                                                                       => ( ksndsingleton
                                                                                                                                                                                                                         => ( ksndpairEq
                                                                                                                                                                                                                           => ( kpairsurjEq
                                                                                                                                                                                                                             => ( cartprodsndin
                                                                                                                                                                                                                               => ( cartprodpairmemEL
                                                                                                                                                                                                                                 => ( cartprodpairmemER
                                                                                                                                                                                                                                   => ( cartprodmempaircEq
                                                                                                                                                                                                                                     => ( cartprodfstpairEq
                                                                                                                                                                                                                                       => ( cartprodsndpairEq
                                                                                                                                                                                                                                         => ( cartprodpairsurjEq
                                                                                                                                                                                                                                           => ( dpsetconstrI
                                                                                                                                                                                                                                             => ( dpsetconstrSub
                                                                                                                                                                                                                                               => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                 => ( dpsetconstrERa
                                                                                                                                                                                                                                                   => ( dpsetconstrEL1
                                                                                                                                                                                                                                                     => ( dpsetconstrEL2
                                                                                                                                                                                                                                                       => ( dpsetconstrER
                                                                                                                                                                                                                                                         => ( funcImageSingleton
                                                                                                                                                                                                                                                           => ( apProp
                                                                                                                                                                                                                                                             => ( app
                                                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                              ( ( in @ Y0
                                                                                                                                                                                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                      ( ( !! @ $i
                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                  ( ( in @ Y5
                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                             => ( ( !! @ $i
                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                            ( ( in @ Y4
                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4780]) ).

thf(f4786,plain,
    ( $false
    = ( exu__Cong
     => ( emptyset__Cong
       => ( setadjoin__Cong
         => ( powerset__Cong
           => ( setunion__Cong
             => ( omega__Cong
               => ( exuEu
                 => ( descr__Cong
                   => ( dsetconstr__Cong
                     => ( subsetI1
                       => ( eqimpsubset2
                         => ( eqimpsubset1
                           => ( subsetI2
                             => ( emptysetsubset
                               => ( subsetE
                                 => ( subsetE2
                                   => ( notsubsetI
                                     => ( notequalI1
                                       => ( notequalI2
                                         => ( subsetRefl
                                           => ( subsetTrans
                                             => ( setadjoinSub
                                               => ( setadjoinSub2
                                                 => ( subset2powerset
                                                   => ( setextsub
                                                     => ( subsetemptysetimpeq
                                                       => ( powersetI1
                                                         => ( powersetE1
                                                           => ( inPowerset
                                                             => ( powersetsubset
                                                               => ( sepInPowerset
                                                                 => ( sepSubset
                                                                   => ( binunionIL
                                                                     => ( upairset2IR
                                                                       => ( binunionIR
                                                                         => ( binunionEcases
                                                                           => ( binunionE
                                                                             => ( binunionLsub
                                                                               => ( binunionRsub
                                                                                 => ( binintersectI
                                                                                   => ( binintersectSubset5
                                                                                     => ( binintersectEL
                                                                                       => ( binintersectLsub
                                                                                         => ( binintersectSubset2
                                                                                           => ( binintersectSubset3
                                                                                             => ( binintersectER
                                                                                               => ( disjointsetsI1
                                                                                                 => ( binintersectRsub
                                                                                                   => ( binintersectSubset4
                                                                                                     => ( binintersectSubset1
                                                                                                       => ( bs114d
                                                                                                         => ( setminusI
                                                                                                           => ( setminusEL
                                                                                                             => ( setminusER
                                                                                                               => ( setminusSubset2
                                                                                                                 => ( setminusERneg
                                                                                                                   => ( setminusELneg
                                                                                                                     => ( setminusILneg
                                                                                                                       => ( setminusIRneg
                                                                                                                         => ( setminusLsub
                                                                                                                           => ( setminusSubset1
                                                                                                                             => ( symdiffE
                                                                                                                               => ( symdiffI1
                                                                                                                                 => ( symdiffI2
                                                                                                                                   => ( symdiffIneg1
                                                                                                                                     => ( symdiffIneg2
                                                                                                                                       => ( secondinupair
                                                                                                                                         => ( setukpairIL
                                                                                                                                           => ( setukpairIR
                                                                                                                                             => ( kpairiskpair
                                                                                                                                               => ( kpairp
                                                                                                                                                 => ( singletonsubset
                                                                                                                                                   => ( singletoninpowerset
                                                                                                                                                     => ( singletoninpowunion
                                                                                                                                                       => ( upairset2E
                                                                                                                                                         => ( upairsubunion
                                                                                                                                                           => ( upairinpowunion
                                                                                                                                                             => ( ubforcartprodlem1
                                                                                                                                                               => ( ubforcartprodlem2
                                                                                                                                                                 => ( ubforcartprodlem3
                                                                                                                                                                   => ( cartprodpairin
                                                                                                                                                                     => ( cartprodmempair1
                                                                                                                                                                       => ( cartprodmempair
                                                                                                                                                                         => ( setunionE2
                                                                                                                                                                           => ( setunionsingleton1
                                                                                                                                                                             => ( setunionsingleton2
                                                                                                                                                                               => ( setunionsingleton
                                                                                                                                                                                 => ( singletonprop
                                                                                                                                                                                   => ( ex1E1
                                                                                                                                                                                     => ( ex1I
                                                                                                                                                                                       => ( ex1I2
                                                                                                                                                                                         => ( singletonsuniq
                                                                                                                                                                                           => ( setukpairinjL1
                                                                                                                                                                                             => ( kfstsingleton
                                                                                                                                                                                               => ( theprop
                                                                                                                                                                                                 => ( kfstpairEq
                                                                                                                                                                                                   => ( cartprodfstin
                                                                                                                                                                                                     => ( setukpairinjL2
                                                                                                                                                                                                       => ( setukpairinjL
                                                                                                                                                                                                         => ( setukpairinjR11
                                                                                                                                                                                                           => ( setukpairinjR12
                                                                                                                                                                                                             => ( setukpairinjR1
                                                                                                                                                                                                               => ( upairequniteq
                                                                                                                                                                                                                 => ( setukpairinjR2
                                                                                                                                                                                                                   => ( setukpairinjR
                                                                                                                                                                                                                     => ( ksndsingleton
                                                                                                                                                                                                                       => ( ksndpairEq
                                                                                                                                                                                                                         => ( kpairsurjEq
                                                                                                                                                                                                                           => ( cartprodsndin
                                                                                                                                                                                                                             => ( cartprodpairmemEL
                                                                                                                                                                                                                               => ( cartprodpairmemER
                                                                                                                                                                                                                                 => ( cartprodmempaircEq
                                                                                                                                                                                                                                   => ( cartprodfstpairEq
                                                                                                                                                                                                                                     => ( cartprodsndpairEq
                                                                                                                                                                                                                                       => ( cartprodpairsurjEq
                                                                                                                                                                                                                                         => ( dpsetconstrI
                                                                                                                                                                                                                                           => ( dpsetconstrSub
                                                                                                                                                                                                                                             => ( setOfPairsIsBReln
                                                                                                                                                                                                                                               => ( dpsetconstrERa
                                                                                                                                                                                                                                                 => ( dpsetconstrEL1
                                                                                                                                                                                                                                                   => ( dpsetconstrEL2
                                                                                                                                                                                                                                                     => ( dpsetconstrER
                                                                                                                                                                                                                                                       => ( funcImageSingleton
                                                                                                                                                                                                                                                         => ( apProp
                                                                                                                                                                                                                                                           => ( app
                                                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                            ( ( in @ Y0
                                                                                                                                                                                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                    ( ( !! @ $i
                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                ( ( in @ Y5
                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                           => ( ( !! @ $i
                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                          ( ( in @ Y4
                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4783]) ).

thf(f4789,plain,
    ( $false
    = ( emptyset__Cong
     => ( setadjoin__Cong
       => ( powerset__Cong
         => ( setunion__Cong
           => ( omega__Cong
             => ( exuEu
               => ( descr__Cong
                 => ( dsetconstr__Cong
                   => ( subsetI1
                     => ( eqimpsubset2
                       => ( eqimpsubset1
                         => ( subsetI2
                           => ( emptysetsubset
                             => ( subsetE
                               => ( subsetE2
                                 => ( notsubsetI
                                   => ( notequalI1
                                     => ( notequalI2
                                       => ( subsetRefl
                                         => ( subsetTrans
                                           => ( setadjoinSub
                                             => ( setadjoinSub2
                                               => ( subset2powerset
                                                 => ( setextsub
                                                   => ( subsetemptysetimpeq
                                                     => ( powersetI1
                                                       => ( powersetE1
                                                         => ( inPowerset
                                                           => ( powersetsubset
                                                             => ( sepInPowerset
                                                               => ( sepSubset
                                                                 => ( binunionIL
                                                                   => ( upairset2IR
                                                                     => ( binunionIR
                                                                       => ( binunionEcases
                                                                         => ( binunionE
                                                                           => ( binunionLsub
                                                                             => ( binunionRsub
                                                                               => ( binintersectI
                                                                                 => ( binintersectSubset5
                                                                                   => ( binintersectEL
                                                                                     => ( binintersectLsub
                                                                                       => ( binintersectSubset2
                                                                                         => ( binintersectSubset3
                                                                                           => ( binintersectER
                                                                                             => ( disjointsetsI1
                                                                                               => ( binintersectRsub
                                                                                                 => ( binintersectSubset4
                                                                                                   => ( binintersectSubset1
                                                                                                     => ( bs114d
                                                                                                       => ( setminusI
                                                                                                         => ( setminusEL
                                                                                                           => ( setminusER
                                                                                                             => ( setminusSubset2
                                                                                                               => ( setminusERneg
                                                                                                                 => ( setminusELneg
                                                                                                                   => ( setminusILneg
                                                                                                                     => ( setminusIRneg
                                                                                                                       => ( setminusLsub
                                                                                                                         => ( setminusSubset1
                                                                                                                           => ( symdiffE
                                                                                                                             => ( symdiffI1
                                                                                                                               => ( symdiffI2
                                                                                                                                 => ( symdiffIneg1
                                                                                                                                   => ( symdiffIneg2
                                                                                                                                     => ( secondinupair
                                                                                                                                       => ( setukpairIL
                                                                                                                                         => ( setukpairIR
                                                                                                                                           => ( kpairiskpair
                                                                                                                                             => ( kpairp
                                                                                                                                               => ( singletonsubset
                                                                                                                                                 => ( singletoninpowerset
                                                                                                                                                   => ( singletoninpowunion
                                                                                                                                                     => ( upairset2E
                                                                                                                                                       => ( upairsubunion
                                                                                                                                                         => ( upairinpowunion
                                                                                                                                                           => ( ubforcartprodlem1
                                                                                                                                                             => ( ubforcartprodlem2
                                                                                                                                                               => ( ubforcartprodlem3
                                                                                                                                                                 => ( cartprodpairin
                                                                                                                                                                   => ( cartprodmempair1
                                                                                                                                                                     => ( cartprodmempair
                                                                                                                                                                       => ( setunionE2
                                                                                                                                                                         => ( setunionsingleton1
                                                                                                                                                                           => ( setunionsingleton2
                                                                                                                                                                             => ( setunionsingleton
                                                                                                                                                                               => ( singletonprop
                                                                                                                                                                                 => ( ex1E1
                                                                                                                                                                                   => ( ex1I
                                                                                                                                                                                     => ( ex1I2
                                                                                                                                                                                       => ( singletonsuniq
                                                                                                                                                                                         => ( setukpairinjL1
                                                                                                                                                                                           => ( kfstsingleton
                                                                                                                                                                                             => ( theprop
                                                                                                                                                                                               => ( kfstpairEq
                                                                                                                                                                                                 => ( cartprodfstin
                                                                                                                                                                                                   => ( setukpairinjL2
                                                                                                                                                                                                     => ( setukpairinjL
                                                                                                                                                                                                       => ( setukpairinjR11
                                                                                                                                                                                                         => ( setukpairinjR12
                                                                                                                                                                                                           => ( setukpairinjR1
                                                                                                                                                                                                             => ( upairequniteq
                                                                                                                                                                                                               => ( setukpairinjR2
                                                                                                                                                                                                                 => ( setukpairinjR
                                                                                                                                                                                                                   => ( ksndsingleton
                                                                                                                                                                                                                     => ( ksndpairEq
                                                                                                                                                                                                                       => ( kpairsurjEq
                                                                                                                                                                                                                         => ( cartprodsndin
                                                                                                                                                                                                                           => ( cartprodpairmemEL
                                                                                                                                                                                                                             => ( cartprodpairmemER
                                                                                                                                                                                                                               => ( cartprodmempaircEq
                                                                                                                                                                                                                                 => ( cartprodfstpairEq
                                                                                                                                                                                                                                   => ( cartprodsndpairEq
                                                                                                                                                                                                                                     => ( cartprodpairsurjEq
                                                                                                                                                                                                                                       => ( dpsetconstrI
                                                                                                                                                                                                                                         => ( dpsetconstrSub
                                                                                                                                                                                                                                           => ( setOfPairsIsBReln
                                                                                                                                                                                                                                             => ( dpsetconstrERa
                                                                                                                                                                                                                                               => ( dpsetconstrEL1
                                                                                                                                                                                                                                                 => ( dpsetconstrEL2
                                                                                                                                                                                                                                                   => ( dpsetconstrER
                                                                                                                                                                                                                                                     => ( funcImageSingleton
                                                                                                                                                                                                                                                       => ( apProp
                                                                                                                                                                                                                                                         => ( app
                                                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                          ( ( in @ Y0
                                                                                                                                                                                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                  ( ( !! @ $i
                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                              ( ( in @ Y5
                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                         => ( ( !! @ $i
                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                        ( ( in @ Y4
                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4786]) ).

thf(f4792,plain,
    ( $false
    = ( setadjoin__Cong
     => ( powerset__Cong
       => ( setunion__Cong
         => ( omega__Cong
           => ( exuEu
             => ( descr__Cong
               => ( dsetconstr__Cong
                 => ( subsetI1
                   => ( eqimpsubset2
                     => ( eqimpsubset1
                       => ( subsetI2
                         => ( emptysetsubset
                           => ( subsetE
                             => ( subsetE2
                               => ( notsubsetI
                                 => ( notequalI1
                                   => ( notequalI2
                                     => ( subsetRefl
                                       => ( subsetTrans
                                         => ( setadjoinSub
                                           => ( setadjoinSub2
                                             => ( subset2powerset
                                               => ( setextsub
                                                 => ( subsetemptysetimpeq
                                                   => ( powersetI1
                                                     => ( powersetE1
                                                       => ( inPowerset
                                                         => ( powersetsubset
                                                           => ( sepInPowerset
                                                             => ( sepSubset
                                                               => ( binunionIL
                                                                 => ( upairset2IR
                                                                   => ( binunionIR
                                                                     => ( binunionEcases
                                                                       => ( binunionE
                                                                         => ( binunionLsub
                                                                           => ( binunionRsub
                                                                             => ( binintersectI
                                                                               => ( binintersectSubset5
                                                                                 => ( binintersectEL
                                                                                   => ( binintersectLsub
                                                                                     => ( binintersectSubset2
                                                                                       => ( binintersectSubset3
                                                                                         => ( binintersectER
                                                                                           => ( disjointsetsI1
                                                                                             => ( binintersectRsub
                                                                                               => ( binintersectSubset4
                                                                                                 => ( binintersectSubset1
                                                                                                   => ( bs114d
                                                                                                     => ( setminusI
                                                                                                       => ( setminusEL
                                                                                                         => ( setminusER
                                                                                                           => ( setminusSubset2
                                                                                                             => ( setminusERneg
                                                                                                               => ( setminusELneg
                                                                                                                 => ( setminusILneg
                                                                                                                   => ( setminusIRneg
                                                                                                                     => ( setminusLsub
                                                                                                                       => ( setminusSubset1
                                                                                                                         => ( symdiffE
                                                                                                                           => ( symdiffI1
                                                                                                                             => ( symdiffI2
                                                                                                                               => ( symdiffIneg1
                                                                                                                                 => ( symdiffIneg2
                                                                                                                                   => ( secondinupair
                                                                                                                                     => ( setukpairIL
                                                                                                                                       => ( setukpairIR
                                                                                                                                         => ( kpairiskpair
                                                                                                                                           => ( kpairp
                                                                                                                                             => ( singletonsubset
                                                                                                                                               => ( singletoninpowerset
                                                                                                                                                 => ( singletoninpowunion
                                                                                                                                                   => ( upairset2E
                                                                                                                                                     => ( upairsubunion
                                                                                                                                                       => ( upairinpowunion
                                                                                                                                                         => ( ubforcartprodlem1
                                                                                                                                                           => ( ubforcartprodlem2
                                                                                                                                                             => ( ubforcartprodlem3
                                                                                                                                                               => ( cartprodpairin
                                                                                                                                                                 => ( cartprodmempair1
                                                                                                                                                                   => ( cartprodmempair
                                                                                                                                                                     => ( setunionE2
                                                                                                                                                                       => ( setunionsingleton1
                                                                                                                                                                         => ( setunionsingleton2
                                                                                                                                                                           => ( setunionsingleton
                                                                                                                                                                             => ( singletonprop
                                                                                                                                                                               => ( ex1E1
                                                                                                                                                                                 => ( ex1I
                                                                                                                                                                                   => ( ex1I2
                                                                                                                                                                                     => ( singletonsuniq
                                                                                                                                                                                       => ( setukpairinjL1
                                                                                                                                                                                         => ( kfstsingleton
                                                                                                                                                                                           => ( theprop
                                                                                                                                                                                             => ( kfstpairEq
                                                                                                                                                                                               => ( cartprodfstin
                                                                                                                                                                                                 => ( setukpairinjL2
                                                                                                                                                                                                   => ( setukpairinjL
                                                                                                                                                                                                     => ( setukpairinjR11
                                                                                                                                                                                                       => ( setukpairinjR12
                                                                                                                                                                                                         => ( setukpairinjR1
                                                                                                                                                                                                           => ( upairequniteq
                                                                                                                                                                                                             => ( setukpairinjR2
                                                                                                                                                                                                               => ( setukpairinjR
                                                                                                                                                                                                                 => ( ksndsingleton
                                                                                                                                                                                                                   => ( ksndpairEq
                                                                                                                                                                                                                     => ( kpairsurjEq
                                                                                                                                                                                                                       => ( cartprodsndin
                                                                                                                                                                                                                         => ( cartprodpairmemEL
                                                                                                                                                                                                                           => ( cartprodpairmemER
                                                                                                                                                                                                                             => ( cartprodmempaircEq
                                                                                                                                                                                                                               => ( cartprodfstpairEq
                                                                                                                                                                                                                                 => ( cartprodsndpairEq
                                                                                                                                                                                                                                   => ( cartprodpairsurjEq
                                                                                                                                                                                                                                     => ( dpsetconstrI
                                                                                                                                                                                                                                       => ( dpsetconstrSub
                                                                                                                                                                                                                                         => ( setOfPairsIsBReln
                                                                                                                                                                                                                                           => ( dpsetconstrERa
                                                                                                                                                                                                                                             => ( dpsetconstrEL1
                                                                                                                                                                                                                                               => ( dpsetconstrEL2
                                                                                                                                                                                                                                                 => ( dpsetconstrER
                                                                                                                                                                                                                                                   => ( funcImageSingleton
                                                                                                                                                                                                                                                     => ( apProp
                                                                                                                                                                                                                                                       => ( app
                                                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                        ( ( in @ Y0
                                                                                                                                                                                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                ( ( !! @ $i
                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                            ( ( in @ Y5
                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                       => ( ( !! @ $i
                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                      ( ( in @ Y4
                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4789]) ).

thf(f4794,plain,
    ( $false
    = ( powerset__Cong
     => ( setunion__Cong
       => ( omega__Cong
         => ( exuEu
           => ( descr__Cong
             => ( dsetconstr__Cong
               => ( subsetI1
                 => ( eqimpsubset2
                   => ( eqimpsubset1
                     => ( subsetI2
                       => ( emptysetsubset
                         => ( subsetE
                           => ( subsetE2
                             => ( notsubsetI
                               => ( notequalI1
                                 => ( notequalI2
                                   => ( subsetRefl
                                     => ( subsetTrans
                                       => ( setadjoinSub
                                         => ( setadjoinSub2
                                           => ( subset2powerset
                                             => ( setextsub
                                               => ( subsetemptysetimpeq
                                                 => ( powersetI1
                                                   => ( powersetE1
                                                     => ( inPowerset
                                                       => ( powersetsubset
                                                         => ( sepInPowerset
                                                           => ( sepSubset
                                                             => ( binunionIL
                                                               => ( upairset2IR
                                                                 => ( binunionIR
                                                                   => ( binunionEcases
                                                                     => ( binunionE
                                                                       => ( binunionLsub
                                                                         => ( binunionRsub
                                                                           => ( binintersectI
                                                                             => ( binintersectSubset5
                                                                               => ( binintersectEL
                                                                                 => ( binintersectLsub
                                                                                   => ( binintersectSubset2
                                                                                     => ( binintersectSubset3
                                                                                       => ( binintersectER
                                                                                         => ( disjointsetsI1
                                                                                           => ( binintersectRsub
                                                                                             => ( binintersectSubset4
                                                                                               => ( binintersectSubset1
                                                                                                 => ( bs114d
                                                                                                   => ( setminusI
                                                                                                     => ( setminusEL
                                                                                                       => ( setminusER
                                                                                                         => ( setminusSubset2
                                                                                                           => ( setminusERneg
                                                                                                             => ( setminusELneg
                                                                                                               => ( setminusILneg
                                                                                                                 => ( setminusIRneg
                                                                                                                   => ( setminusLsub
                                                                                                                     => ( setminusSubset1
                                                                                                                       => ( symdiffE
                                                                                                                         => ( symdiffI1
                                                                                                                           => ( symdiffI2
                                                                                                                             => ( symdiffIneg1
                                                                                                                               => ( symdiffIneg2
                                                                                                                                 => ( secondinupair
                                                                                                                                   => ( setukpairIL
                                                                                                                                     => ( setukpairIR
                                                                                                                                       => ( kpairiskpair
                                                                                                                                         => ( kpairp
                                                                                                                                           => ( singletonsubset
                                                                                                                                             => ( singletoninpowerset
                                                                                                                                               => ( singletoninpowunion
                                                                                                                                                 => ( upairset2E
                                                                                                                                                   => ( upairsubunion
                                                                                                                                                     => ( upairinpowunion
                                                                                                                                                       => ( ubforcartprodlem1
                                                                                                                                                         => ( ubforcartprodlem2
                                                                                                                                                           => ( ubforcartprodlem3
                                                                                                                                                             => ( cartprodpairin
                                                                                                                                                               => ( cartprodmempair1
                                                                                                                                                                 => ( cartprodmempair
                                                                                                                                                                   => ( setunionE2
                                                                                                                                                                     => ( setunionsingleton1
                                                                                                                                                                       => ( setunionsingleton2
                                                                                                                                                                         => ( setunionsingleton
                                                                                                                                                                           => ( singletonprop
                                                                                                                                                                             => ( ex1E1
                                                                                                                                                                               => ( ex1I
                                                                                                                                                                                 => ( ex1I2
                                                                                                                                                                                   => ( singletonsuniq
                                                                                                                                                                                     => ( setukpairinjL1
                                                                                                                                                                                       => ( kfstsingleton
                                                                                                                                                                                         => ( theprop
                                                                                                                                                                                           => ( kfstpairEq
                                                                                                                                                                                             => ( cartprodfstin
                                                                                                                                                                                               => ( setukpairinjL2
                                                                                                                                                                                                 => ( setukpairinjL
                                                                                                                                                                                                   => ( setukpairinjR11
                                                                                                                                                                                                     => ( setukpairinjR12
                                                                                                                                                                                                       => ( setukpairinjR1
                                                                                                                                                                                                         => ( upairequniteq
                                                                                                                                                                                                           => ( setukpairinjR2
                                                                                                                                                                                                             => ( setukpairinjR
                                                                                                                                                                                                               => ( ksndsingleton
                                                                                                                                                                                                                 => ( ksndpairEq
                                                                                                                                                                                                                   => ( kpairsurjEq
                                                                                                                                                                                                                     => ( cartprodsndin
                                                                                                                                                                                                                       => ( cartprodpairmemEL
                                                                                                                                                                                                                         => ( cartprodpairmemER
                                                                                                                                                                                                                           => ( cartprodmempaircEq
                                                                                                                                                                                                                             => ( cartprodfstpairEq
                                                                                                                                                                                                                               => ( cartprodsndpairEq
                                                                                                                                                                                                                                 => ( cartprodpairsurjEq
                                                                                                                                                                                                                                   => ( dpsetconstrI
                                                                                                                                                                                                                                     => ( dpsetconstrSub
                                                                                                                                                                                                                                       => ( setOfPairsIsBReln
                                                                                                                                                                                                                                         => ( dpsetconstrERa
                                                                                                                                                                                                                                           => ( dpsetconstrEL1
                                                                                                                                                                                                                                             => ( dpsetconstrEL2
                                                                                                                                                                                                                                               => ( dpsetconstrER
                                                                                                                                                                                                                                                 => ( funcImageSingleton
                                                                                                                                                                                                                                                   => ( apProp
                                                                                                                                                                                                                                                     => ( app
                                                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                      ( ( in @ Y0
                                                                                                                                                                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                              ( ( !! @ $i
                                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                          ( ( in @ Y5
                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                     => ( ( !! @ $i
                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                    ( ( in @ Y4
                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4792]) ).

thf(f4797,plain,
    ( $false
    = ( setunion__Cong
     => ( omega__Cong
       => ( exuEu
         => ( descr__Cong
           => ( dsetconstr__Cong
             => ( subsetI1
               => ( eqimpsubset2
                 => ( eqimpsubset1
                   => ( subsetI2
                     => ( emptysetsubset
                       => ( subsetE
                         => ( subsetE2
                           => ( notsubsetI
                             => ( notequalI1
                               => ( notequalI2
                                 => ( subsetRefl
                                   => ( subsetTrans
                                     => ( setadjoinSub
                                       => ( setadjoinSub2
                                         => ( subset2powerset
                                           => ( setextsub
                                             => ( subsetemptysetimpeq
                                               => ( powersetI1
                                                 => ( powersetE1
                                                   => ( inPowerset
                                                     => ( powersetsubset
                                                       => ( sepInPowerset
                                                         => ( sepSubset
                                                           => ( binunionIL
                                                             => ( upairset2IR
                                                               => ( binunionIR
                                                                 => ( binunionEcases
                                                                   => ( binunionE
                                                                     => ( binunionLsub
                                                                       => ( binunionRsub
                                                                         => ( binintersectI
                                                                           => ( binintersectSubset5
                                                                             => ( binintersectEL
                                                                               => ( binintersectLsub
                                                                                 => ( binintersectSubset2
                                                                                   => ( binintersectSubset3
                                                                                     => ( binintersectER
                                                                                       => ( disjointsetsI1
                                                                                         => ( binintersectRsub
                                                                                           => ( binintersectSubset4
                                                                                             => ( binintersectSubset1
                                                                                               => ( bs114d
                                                                                                 => ( setminusI
                                                                                                   => ( setminusEL
                                                                                                     => ( setminusER
                                                                                                       => ( setminusSubset2
                                                                                                         => ( setminusERneg
                                                                                                           => ( setminusELneg
                                                                                                             => ( setminusILneg
                                                                                                               => ( setminusIRneg
                                                                                                                 => ( setminusLsub
                                                                                                                   => ( setminusSubset1
                                                                                                                     => ( symdiffE
                                                                                                                       => ( symdiffI1
                                                                                                                         => ( symdiffI2
                                                                                                                           => ( symdiffIneg1
                                                                                                                             => ( symdiffIneg2
                                                                                                                               => ( secondinupair
                                                                                                                                 => ( setukpairIL
                                                                                                                                   => ( setukpairIR
                                                                                                                                     => ( kpairiskpair
                                                                                                                                       => ( kpairp
                                                                                                                                         => ( singletonsubset
                                                                                                                                           => ( singletoninpowerset
                                                                                                                                             => ( singletoninpowunion
                                                                                                                                               => ( upairset2E
                                                                                                                                                 => ( upairsubunion
                                                                                                                                                   => ( upairinpowunion
                                                                                                                                                     => ( ubforcartprodlem1
                                                                                                                                                       => ( ubforcartprodlem2
                                                                                                                                                         => ( ubforcartprodlem3
                                                                                                                                                           => ( cartprodpairin
                                                                                                                                                             => ( cartprodmempair1
                                                                                                                                                               => ( cartprodmempair
                                                                                                                                                                 => ( setunionE2
                                                                                                                                                                   => ( setunionsingleton1
                                                                                                                                                                     => ( setunionsingleton2
                                                                                                                                                                       => ( setunionsingleton
                                                                                                                                                                         => ( singletonprop
                                                                                                                                                                           => ( ex1E1
                                                                                                                                                                             => ( ex1I
                                                                                                                                                                               => ( ex1I2
                                                                                                                                                                                 => ( singletonsuniq
                                                                                                                                                                                   => ( setukpairinjL1
                                                                                                                                                                                     => ( kfstsingleton
                                                                                                                                                                                       => ( theprop
                                                                                                                                                                                         => ( kfstpairEq
                                                                                                                                                                                           => ( cartprodfstin
                                                                                                                                                                                             => ( setukpairinjL2
                                                                                                                                                                                               => ( setukpairinjL
                                                                                                                                                                                                 => ( setukpairinjR11
                                                                                                                                                                                                   => ( setukpairinjR12
                                                                                                                                                                                                     => ( setukpairinjR1
                                                                                                                                                                                                       => ( upairequniteq
                                                                                                                                                                                                         => ( setukpairinjR2
                                                                                                                                                                                                           => ( setukpairinjR
                                                                                                                                                                                                             => ( ksndsingleton
                                                                                                                                                                                                               => ( ksndpairEq
                                                                                                                                                                                                                 => ( kpairsurjEq
                                                                                                                                                                                                                   => ( cartprodsndin
                                                                                                                                                                                                                     => ( cartprodpairmemEL
                                                                                                                                                                                                                       => ( cartprodpairmemER
                                                                                                                                                                                                                         => ( cartprodmempaircEq
                                                                                                                                                                                                                           => ( cartprodfstpairEq
                                                                                                                                                                                                                             => ( cartprodsndpairEq
                                                                                                                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                                                                                                                 => ( dpsetconstrI
                                                                                                                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                                                                                                                             => ( dpsetconstrER
                                                                                                                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                                                                                                                 => ( apProp
                                                                                                                                                                                                                                                   => ( app
                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                    ( ( in @ Y0
                                                                                                                                                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                            ( ( !! @ $i
                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                        ( ( in @ Y5
                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                   => ( ( !! @ $i
                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                  ( ( in @ Y4
                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4794]) ).

thf(f4799,plain,
    ( $false
    = ( omega__Cong
     => ( exuEu
       => ( descr__Cong
         => ( dsetconstr__Cong
           => ( subsetI1
             => ( eqimpsubset2
               => ( eqimpsubset1
                 => ( subsetI2
                   => ( emptysetsubset
                     => ( subsetE
                       => ( subsetE2
                         => ( notsubsetI
                           => ( notequalI1
                             => ( notequalI2
                               => ( subsetRefl
                                 => ( subsetTrans
                                   => ( setadjoinSub
                                     => ( setadjoinSub2
                                       => ( subset2powerset
                                         => ( setextsub
                                           => ( subsetemptysetimpeq
                                             => ( powersetI1
                                               => ( powersetE1
                                                 => ( inPowerset
                                                   => ( powersetsubset
                                                     => ( sepInPowerset
                                                       => ( sepSubset
                                                         => ( binunionIL
                                                           => ( upairset2IR
                                                             => ( binunionIR
                                                               => ( binunionEcases
                                                                 => ( binunionE
                                                                   => ( binunionLsub
                                                                     => ( binunionRsub
                                                                       => ( binintersectI
                                                                         => ( binintersectSubset5
                                                                           => ( binintersectEL
                                                                             => ( binintersectLsub
                                                                               => ( binintersectSubset2
                                                                                 => ( binintersectSubset3
                                                                                   => ( binintersectER
                                                                                     => ( disjointsetsI1
                                                                                       => ( binintersectRsub
                                                                                         => ( binintersectSubset4
                                                                                           => ( binintersectSubset1
                                                                                             => ( bs114d
                                                                                               => ( setminusI
                                                                                                 => ( setminusEL
                                                                                                   => ( setminusER
                                                                                                     => ( setminusSubset2
                                                                                                       => ( setminusERneg
                                                                                                         => ( setminusELneg
                                                                                                           => ( setminusILneg
                                                                                                             => ( setminusIRneg
                                                                                                               => ( setminusLsub
                                                                                                                 => ( setminusSubset1
                                                                                                                   => ( symdiffE
                                                                                                                     => ( symdiffI1
                                                                                                                       => ( symdiffI2
                                                                                                                         => ( symdiffIneg1
                                                                                                                           => ( symdiffIneg2
                                                                                                                             => ( secondinupair
                                                                                                                               => ( setukpairIL
                                                                                                                                 => ( setukpairIR
                                                                                                                                   => ( kpairiskpair
                                                                                                                                     => ( kpairp
                                                                                                                                       => ( singletonsubset
                                                                                                                                         => ( singletoninpowerset
                                                                                                                                           => ( singletoninpowunion
                                                                                                                                             => ( upairset2E
                                                                                                                                               => ( upairsubunion
                                                                                                                                                 => ( upairinpowunion
                                                                                                                                                   => ( ubforcartprodlem1
                                                                                                                                                     => ( ubforcartprodlem2
                                                                                                                                                       => ( ubforcartprodlem3
                                                                                                                                                         => ( cartprodpairin
                                                                                                                                                           => ( cartprodmempair1
                                                                                                                                                             => ( cartprodmempair
                                                                                                                                                               => ( setunionE2
                                                                                                                                                                 => ( setunionsingleton1
                                                                                                                                                                   => ( setunionsingleton2
                                                                                                                                                                     => ( setunionsingleton
                                                                                                                                                                       => ( singletonprop
                                                                                                                                                                         => ( ex1E1
                                                                                                                                                                           => ( ex1I
                                                                                                                                                                             => ( ex1I2
                                                                                                                                                                               => ( singletonsuniq
                                                                                                                                                                                 => ( setukpairinjL1
                                                                                                                                                                                   => ( kfstsingleton
                                                                                                                                                                                     => ( theprop
                                                                                                                                                                                       => ( kfstpairEq
                                                                                                                                                                                         => ( cartprodfstin
                                                                                                                                                                                           => ( setukpairinjL2
                                                                                                                                                                                             => ( setukpairinjL
                                                                                                                                                                                               => ( setukpairinjR11
                                                                                                                                                                                                 => ( setukpairinjR12
                                                                                                                                                                                                   => ( setukpairinjR1
                                                                                                                                                                                                     => ( upairequniteq
                                                                                                                                                                                                       => ( setukpairinjR2
                                                                                                                                                                                                         => ( setukpairinjR
                                                                                                                                                                                                           => ( ksndsingleton
                                                                                                                                                                                                             => ( ksndpairEq
                                                                                                                                                                                                               => ( kpairsurjEq
                                                                                                                                                                                                                 => ( cartprodsndin
                                                                                                                                                                                                                   => ( cartprodpairmemEL
                                                                                                                                                                                                                     => ( cartprodpairmemER
                                                                                                                                                                                                                       => ( cartprodmempaircEq
                                                                                                                                                                                                                         => ( cartprodfstpairEq
                                                                                                                                                                                                                           => ( cartprodsndpairEq
                                                                                                                                                                                                                             => ( cartprodpairsurjEq
                                                                                                                                                                                                                               => ( dpsetconstrI
                                                                                                                                                                                                                                 => ( dpsetconstrSub
                                                                                                                                                                                                                                   => ( setOfPairsIsBReln
                                                                                                                                                                                                                                     => ( dpsetconstrERa
                                                                                                                                                                                                                                       => ( dpsetconstrEL1
                                                                                                                                                                                                                                         => ( dpsetconstrEL2
                                                                                                                                                                                                                                           => ( dpsetconstrER
                                                                                                                                                                                                                                             => ( funcImageSingleton
                                                                                                                                                                                                                                               => ( apProp
                                                                                                                                                                                                                                                 => ( app
                                                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                  ( ( in @ Y0
                                                                                                                                                                                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                          ( ( !! @ $i
                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                      ( ( in @ Y5
                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                 => ( ( !! @ $i
                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                ( ( in @ Y4
                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4797]) ).

thf(f4803,plain,
    ( $false
    = ( exuEu
     => ( descr__Cong
       => ( dsetconstr__Cong
         => ( subsetI1
           => ( eqimpsubset2
             => ( eqimpsubset1
               => ( subsetI2
                 => ( emptysetsubset
                   => ( subsetE
                     => ( subsetE2
                       => ( notsubsetI
                         => ( notequalI1
                           => ( notequalI2
                             => ( subsetRefl
                               => ( subsetTrans
                                 => ( setadjoinSub
                                   => ( setadjoinSub2
                                     => ( subset2powerset
                                       => ( setextsub
                                         => ( subsetemptysetimpeq
                                           => ( powersetI1
                                             => ( powersetE1
                                               => ( inPowerset
                                                 => ( powersetsubset
                                                   => ( sepInPowerset
                                                     => ( sepSubset
                                                       => ( binunionIL
                                                         => ( upairset2IR
                                                           => ( binunionIR
                                                             => ( binunionEcases
                                                               => ( binunionE
                                                                 => ( binunionLsub
                                                                   => ( binunionRsub
                                                                     => ( binintersectI
                                                                       => ( binintersectSubset5
                                                                         => ( binintersectEL
                                                                           => ( binintersectLsub
                                                                             => ( binintersectSubset2
                                                                               => ( binintersectSubset3
                                                                                 => ( binintersectER
                                                                                   => ( disjointsetsI1
                                                                                     => ( binintersectRsub
                                                                                       => ( binintersectSubset4
                                                                                         => ( binintersectSubset1
                                                                                           => ( bs114d
                                                                                             => ( setminusI
                                                                                               => ( setminusEL
                                                                                                 => ( setminusER
                                                                                                   => ( setminusSubset2
                                                                                                     => ( setminusERneg
                                                                                                       => ( setminusELneg
                                                                                                         => ( setminusILneg
                                                                                                           => ( setminusIRneg
                                                                                                             => ( setminusLsub
                                                                                                               => ( setminusSubset1
                                                                                                                 => ( symdiffE
                                                                                                                   => ( symdiffI1
                                                                                                                     => ( symdiffI2
                                                                                                                       => ( symdiffIneg1
                                                                                                                         => ( symdiffIneg2
                                                                                                                           => ( secondinupair
                                                                                                                             => ( setukpairIL
                                                                                                                               => ( setukpairIR
                                                                                                                                 => ( kpairiskpair
                                                                                                                                   => ( kpairp
                                                                                                                                     => ( singletonsubset
                                                                                                                                       => ( singletoninpowerset
                                                                                                                                         => ( singletoninpowunion
                                                                                                                                           => ( upairset2E
                                                                                                                                             => ( upairsubunion
                                                                                                                                               => ( upairinpowunion
                                                                                                                                                 => ( ubforcartprodlem1
                                                                                                                                                   => ( ubforcartprodlem2
                                                                                                                                                     => ( ubforcartprodlem3
                                                                                                                                                       => ( cartprodpairin
                                                                                                                                                         => ( cartprodmempair1
                                                                                                                                                           => ( cartprodmempair
                                                                                                                                                             => ( setunionE2
                                                                                                                                                               => ( setunionsingleton1
                                                                                                                                                                 => ( setunionsingleton2
                                                                                                                                                                   => ( setunionsingleton
                                                                                                                                                                     => ( singletonprop
                                                                                                                                                                       => ( ex1E1
                                                                                                                                                                         => ( ex1I
                                                                                                                                                                           => ( ex1I2
                                                                                                                                                                             => ( singletonsuniq
                                                                                                                                                                               => ( setukpairinjL1
                                                                                                                                                                                 => ( kfstsingleton
                                                                                                                                                                                   => ( theprop
                                                                                                                                                                                     => ( kfstpairEq
                                                                                                                                                                                       => ( cartprodfstin
                                                                                                                                                                                         => ( setukpairinjL2
                                                                                                                                                                                           => ( setukpairinjL
                                                                                                                                                                                             => ( setukpairinjR11
                                                                                                                                                                                               => ( setukpairinjR12
                                                                                                                                                                                                 => ( setukpairinjR1
                                                                                                                                                                                                   => ( upairequniteq
                                                                                                                                                                                                     => ( setukpairinjR2
                                                                                                                                                                                                       => ( setukpairinjR
                                                                                                                                                                                                         => ( ksndsingleton
                                                                                                                                                                                                           => ( ksndpairEq
                                                                                                                                                                                                             => ( kpairsurjEq
                                                                                                                                                                                                               => ( cartprodsndin
                                                                                                                                                                                                                 => ( cartprodpairmemEL
                                                                                                                                                                                                                   => ( cartprodpairmemER
                                                                                                                                                                                                                     => ( cartprodmempaircEq
                                                                                                                                                                                                                       => ( cartprodfstpairEq
                                                                                                                                                                                                                         => ( cartprodsndpairEq
                                                                                                                                                                                                                           => ( cartprodpairsurjEq
                                                                                                                                                                                                                             => ( dpsetconstrI
                                                                                                                                                                                                                               => ( dpsetconstrSub
                                                                                                                                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                                                                                                                                   => ( dpsetconstrERa
                                                                                                                                                                                                                                     => ( dpsetconstrEL1
                                                                                                                                                                                                                                       => ( dpsetconstrEL2
                                                                                                                                                                                                                                         => ( dpsetconstrER
                                                                                                                                                                                                                                           => ( funcImageSingleton
                                                                                                                                                                                                                                             => ( apProp
                                                                                                                                                                                                                                               => ( app
                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                ( ( in @ Y0
                                                                                                                                                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                        ( ( !! @ $i
                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                               => ( ( !! @ $i
                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4799]) ).

thf(f4805,plain,
    ( ( descr__Cong
     => ( dsetconstr__Cong
       => ( subsetI1
         => ( eqimpsubset2
           => ( eqimpsubset1
             => ( subsetI2
               => ( emptysetsubset
                 => ( subsetE
                   => ( subsetE2
                     => ( notsubsetI
                       => ( notequalI1
                         => ( notequalI2
                           => ( subsetRefl
                             => ( subsetTrans
                               => ( setadjoinSub
                                 => ( setadjoinSub2
                                   => ( subset2powerset
                                     => ( setextsub
                                       => ( subsetemptysetimpeq
                                         => ( powersetI1
                                           => ( powersetE1
                                             => ( inPowerset
                                               => ( powersetsubset
                                                 => ( sepInPowerset
                                                   => ( sepSubset
                                                     => ( binunionIL
                                                       => ( upairset2IR
                                                         => ( binunionIR
                                                           => ( binunionEcases
                                                             => ( binunionE
                                                               => ( binunionLsub
                                                                 => ( binunionRsub
                                                                   => ( binintersectI
                                                                     => ( binintersectSubset5
                                                                       => ( binintersectEL
                                                                         => ( binintersectLsub
                                                                           => ( binintersectSubset2
                                                                             => ( binintersectSubset3
                                                                               => ( binintersectER
                                                                                 => ( disjointsetsI1
                                                                                   => ( binintersectRsub
                                                                                     => ( binintersectSubset4
                                                                                       => ( binintersectSubset1
                                                                                         => ( bs114d
                                                                                           => ( setminusI
                                                                                             => ( setminusEL
                                                                                               => ( setminusER
                                                                                                 => ( setminusSubset2
                                                                                                   => ( setminusERneg
                                                                                                     => ( setminusELneg
                                                                                                       => ( setminusILneg
                                                                                                         => ( setminusIRneg
                                                                                                           => ( setminusLsub
                                                                                                             => ( setminusSubset1
                                                                                                               => ( symdiffE
                                                                                                                 => ( symdiffI1
                                                                                                                   => ( symdiffI2
                                                                                                                     => ( symdiffIneg1
                                                                                                                       => ( symdiffIneg2
                                                                                                                         => ( secondinupair
                                                                                                                           => ( setukpairIL
                                                                                                                             => ( setukpairIR
                                                                                                                               => ( kpairiskpair
                                                                                                                                 => ( kpairp
                                                                                                                                   => ( singletonsubset
                                                                                                                                     => ( singletoninpowerset
                                                                                                                                       => ( singletoninpowunion
                                                                                                                                         => ( upairset2E
                                                                                                                                           => ( upairsubunion
                                                                                                                                             => ( upairinpowunion
                                                                                                                                               => ( ubforcartprodlem1
                                                                                                                                                 => ( ubforcartprodlem2
                                                                                                                                                   => ( ubforcartprodlem3
                                                                                                                                                     => ( cartprodpairin
                                                                                                                                                       => ( cartprodmempair1
                                                                                                                                                         => ( cartprodmempair
                                                                                                                                                           => ( setunionE2
                                                                                                                                                             => ( setunionsingleton1
                                                                                                                                                               => ( setunionsingleton2
                                                                                                                                                                 => ( setunionsingleton
                                                                                                                                                                   => ( singletonprop
                                                                                                                                                                     => ( ex1E1
                                                                                                                                                                       => ( ex1I
                                                                                                                                                                         => ( ex1I2
                                                                                                                                                                           => ( singletonsuniq
                                                                                                                                                                             => ( setukpairinjL1
                                                                                                                                                                               => ( kfstsingleton
                                                                                                                                                                                 => ( theprop
                                                                                                                                                                                   => ( kfstpairEq
                                                                                                                                                                                     => ( cartprodfstin
                                                                                                                                                                                       => ( setukpairinjL2
                                                                                                                                                                                         => ( setukpairinjL
                                                                                                                                                                                           => ( setukpairinjR11
                                                                                                                                                                                             => ( setukpairinjR12
                                                                                                                                                                                               => ( setukpairinjR1
                                                                                                                                                                                                 => ( upairequniteq
                                                                                                                                                                                                   => ( setukpairinjR2
                                                                                                                                                                                                     => ( setukpairinjR
                                                                                                                                                                                                       => ( ksndsingleton
                                                                                                                                                                                                         => ( ksndpairEq
                                                                                                                                                                                                           => ( kpairsurjEq
                                                                                                                                                                                                             => ( cartprodsndin
                                                                                                                                                                                                               => ( cartprodpairmemEL
                                                                                                                                                                                                                 => ( cartprodpairmemER
                                                                                                                                                                                                                   => ( cartprodmempaircEq
                                                                                                                                                                                                                     => ( cartprodfstpairEq
                                                                                                                                                                                                                       => ( cartprodsndpairEq
                                                                                                                                                                                                                         => ( cartprodpairsurjEq
                                                                                                                                                                                                                           => ( dpsetconstrI
                                                                                                                                                                                                                             => ( dpsetconstrSub
                                                                                                                                                                                                                               => ( setOfPairsIsBReln
                                                                                                                                                                                                                                 => ( dpsetconstrERa
                                                                                                                                                                                                                                   => ( dpsetconstrEL1
                                                                                                                                                                                                                                     => ( dpsetconstrEL2
                                                                                                                                                                                                                                       => ( dpsetconstrER
                                                                                                                                                                                                                                         => ( funcImageSingleton
                                                                                                                                                                                                                                           => ( apProp
                                                                                                                                                                                                                                             => ( app
                                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                              ( ( in @ Y0
                                                                                                                                                                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                      ( ( !! @ $i
                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                  ( ( in @ Y5
                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                             => ( ( !! @ $i
                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                            ( ( in @ Y4
                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4803]) ).

thf(f4807,plain,
    ( $false
    = ( dsetconstr__Cong
     => ( subsetI1
       => ( eqimpsubset2
         => ( eqimpsubset1
           => ( subsetI2
             => ( emptysetsubset
               => ( subsetE
                 => ( subsetE2
                   => ( notsubsetI
                     => ( notequalI1
                       => ( notequalI2
                         => ( subsetRefl
                           => ( subsetTrans
                             => ( setadjoinSub
                               => ( setadjoinSub2
                                 => ( subset2powerset
                                   => ( setextsub
                                     => ( subsetemptysetimpeq
                                       => ( powersetI1
                                         => ( powersetE1
                                           => ( inPowerset
                                             => ( powersetsubset
                                               => ( sepInPowerset
                                                 => ( sepSubset
                                                   => ( binunionIL
                                                     => ( upairset2IR
                                                       => ( binunionIR
                                                         => ( binunionEcases
                                                           => ( binunionE
                                                             => ( binunionLsub
                                                               => ( binunionRsub
                                                                 => ( binintersectI
                                                                   => ( binintersectSubset5
                                                                     => ( binintersectEL
                                                                       => ( binintersectLsub
                                                                         => ( binintersectSubset2
                                                                           => ( binintersectSubset3
                                                                             => ( binintersectER
                                                                               => ( disjointsetsI1
                                                                                 => ( binintersectRsub
                                                                                   => ( binintersectSubset4
                                                                                     => ( binintersectSubset1
                                                                                       => ( bs114d
                                                                                         => ( setminusI
                                                                                           => ( setminusEL
                                                                                             => ( setminusER
                                                                                               => ( setminusSubset2
                                                                                                 => ( setminusERneg
                                                                                                   => ( setminusELneg
                                                                                                     => ( setminusILneg
                                                                                                       => ( setminusIRneg
                                                                                                         => ( setminusLsub
                                                                                                           => ( setminusSubset1
                                                                                                             => ( symdiffE
                                                                                                               => ( symdiffI1
                                                                                                                 => ( symdiffI2
                                                                                                                   => ( symdiffIneg1
                                                                                                                     => ( symdiffIneg2
                                                                                                                       => ( secondinupair
                                                                                                                         => ( setukpairIL
                                                                                                                           => ( setukpairIR
                                                                                                                             => ( kpairiskpair
                                                                                                                               => ( kpairp
                                                                                                                                 => ( singletonsubset
                                                                                                                                   => ( singletoninpowerset
                                                                                                                                     => ( singletoninpowunion
                                                                                                                                       => ( upairset2E
                                                                                                                                         => ( upairsubunion
                                                                                                                                           => ( upairinpowunion
                                                                                                                                             => ( ubforcartprodlem1
                                                                                                                                               => ( ubforcartprodlem2
                                                                                                                                                 => ( ubforcartprodlem3
                                                                                                                                                   => ( cartprodpairin
                                                                                                                                                     => ( cartprodmempair1
                                                                                                                                                       => ( cartprodmempair
                                                                                                                                                         => ( setunionE2
                                                                                                                                                           => ( setunionsingleton1
                                                                                                                                                             => ( setunionsingleton2
                                                                                                                                                               => ( setunionsingleton
                                                                                                                                                                 => ( singletonprop
                                                                                                                                                                   => ( ex1E1
                                                                                                                                                                     => ( ex1I
                                                                                                                                                                       => ( ex1I2
                                                                                                                                                                         => ( singletonsuniq
                                                                                                                                                                           => ( setukpairinjL1
                                                                                                                                                                             => ( kfstsingleton
                                                                                                                                                                               => ( theprop
                                                                                                                                                                                 => ( kfstpairEq
                                                                                                                                                                                   => ( cartprodfstin
                                                                                                                                                                                     => ( setukpairinjL2
                                                                                                                                                                                       => ( setukpairinjL
                                                                                                                                                                                         => ( setukpairinjR11
                                                                                                                                                                                           => ( setukpairinjR12
                                                                                                                                                                                             => ( setukpairinjR1
                                                                                                                                                                                               => ( upairequniteq
                                                                                                                                                                                                 => ( setukpairinjR2
                                                                                                                                                                                                   => ( setukpairinjR
                                                                                                                                                                                                     => ( ksndsingleton
                                                                                                                                                                                                       => ( ksndpairEq
                                                                                                                                                                                                         => ( kpairsurjEq
                                                                                                                                                                                                           => ( cartprodsndin
                                                                                                                                                                                                             => ( cartprodpairmemEL
                                                                                                                                                                                                               => ( cartprodpairmemER
                                                                                                                                                                                                                 => ( cartprodmempaircEq
                                                                                                                                                                                                                   => ( cartprodfstpairEq
                                                                                                                                                                                                                     => ( cartprodsndpairEq
                                                                                                                                                                                                                       => ( cartprodpairsurjEq
                                                                                                                                                                                                                         => ( dpsetconstrI
                                                                                                                                                                                                                           => ( dpsetconstrSub
                                                                                                                                                                                                                             => ( setOfPairsIsBReln
                                                                                                                                                                                                                               => ( dpsetconstrERa
                                                                                                                                                                                                                                 => ( dpsetconstrEL1
                                                                                                                                                                                                                                   => ( dpsetconstrEL2
                                                                                                                                                                                                                                     => ( dpsetconstrER
                                                                                                                                                                                                                                       => ( funcImageSingleton
                                                                                                                                                                                                                                         => ( apProp
                                                                                                                                                                                                                                           => ( app
                                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                            ( ( in @ Y0
                                                                                                                                                                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                    ( ( !! @ $i
                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                ( ( in @ Y5
                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                           => ( ( !! @ $i
                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                          ( ( in @ Y4
                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4805]) ).

thf(f4810,plain,
    ( ( subsetI1
     => ( eqimpsubset2
       => ( eqimpsubset1
         => ( subsetI2
           => ( emptysetsubset
             => ( subsetE
               => ( subsetE2
                 => ( notsubsetI
                   => ( notequalI1
                     => ( notequalI2
                       => ( subsetRefl
                         => ( subsetTrans
                           => ( setadjoinSub
                             => ( setadjoinSub2
                               => ( subset2powerset
                                 => ( setextsub
                                   => ( subsetemptysetimpeq
                                     => ( powersetI1
                                       => ( powersetE1
                                         => ( inPowerset
                                           => ( powersetsubset
                                             => ( sepInPowerset
                                               => ( sepSubset
                                                 => ( binunionIL
                                                   => ( upairset2IR
                                                     => ( binunionIR
                                                       => ( binunionEcases
                                                         => ( binunionE
                                                           => ( binunionLsub
                                                             => ( binunionRsub
                                                               => ( binintersectI
                                                                 => ( binintersectSubset5
                                                                   => ( binintersectEL
                                                                     => ( binintersectLsub
                                                                       => ( binintersectSubset2
                                                                         => ( binintersectSubset3
                                                                           => ( binintersectER
                                                                             => ( disjointsetsI1
                                                                               => ( binintersectRsub
                                                                                 => ( binintersectSubset4
                                                                                   => ( binintersectSubset1
                                                                                     => ( bs114d
                                                                                       => ( setminusI
                                                                                         => ( setminusEL
                                                                                           => ( setminusER
                                                                                             => ( setminusSubset2
                                                                                               => ( setminusERneg
                                                                                                 => ( setminusELneg
                                                                                                   => ( setminusILneg
                                                                                                     => ( setminusIRneg
                                                                                                       => ( setminusLsub
                                                                                                         => ( setminusSubset1
                                                                                                           => ( symdiffE
                                                                                                             => ( symdiffI1
                                                                                                               => ( symdiffI2
                                                                                                                 => ( symdiffIneg1
                                                                                                                   => ( symdiffIneg2
                                                                                                                     => ( secondinupair
                                                                                                                       => ( setukpairIL
                                                                                                                         => ( setukpairIR
                                                                                                                           => ( kpairiskpair
                                                                                                                             => ( kpairp
                                                                                                                               => ( singletonsubset
                                                                                                                                 => ( singletoninpowerset
                                                                                                                                   => ( singletoninpowunion
                                                                                                                                     => ( upairset2E
                                                                                                                                       => ( upairsubunion
                                                                                                                                         => ( upairinpowunion
                                                                                                                                           => ( ubforcartprodlem1
                                                                                                                                             => ( ubforcartprodlem2
                                                                                                                                               => ( ubforcartprodlem3
                                                                                                                                                 => ( cartprodpairin
                                                                                                                                                   => ( cartprodmempair1
                                                                                                                                                     => ( cartprodmempair
                                                                                                                                                       => ( setunionE2
                                                                                                                                                         => ( setunionsingleton1
                                                                                                                                                           => ( setunionsingleton2
                                                                                                                                                             => ( setunionsingleton
                                                                                                                                                               => ( singletonprop
                                                                                                                                                                 => ( ex1E1
                                                                                                                                                                   => ( ex1I
                                                                                                                                                                     => ( ex1I2
                                                                                                                                                                       => ( singletonsuniq
                                                                                                                                                                         => ( setukpairinjL1
                                                                                                                                                                           => ( kfstsingleton
                                                                                                                                                                             => ( theprop
                                                                                                                                                                               => ( kfstpairEq
                                                                                                                                                                                 => ( cartprodfstin
                                                                                                                                                                                   => ( setukpairinjL2
                                                                                                                                                                                     => ( setukpairinjL
                                                                                                                                                                                       => ( setukpairinjR11
                                                                                                                                                                                         => ( setukpairinjR12
                                                                                                                                                                                           => ( setukpairinjR1
                                                                                                                                                                                             => ( upairequniteq
                                                                                                                                                                                               => ( setukpairinjR2
                                                                                                                                                                                                 => ( setukpairinjR
                                                                                                                                                                                                   => ( ksndsingleton
                                                                                                                                                                                                     => ( ksndpairEq
                                                                                                                                                                                                       => ( kpairsurjEq
                                                                                                                                                                                                         => ( cartprodsndin
                                                                                                                                                                                                           => ( cartprodpairmemEL
                                                                                                                                                                                                             => ( cartprodpairmemER
                                                                                                                                                                                                               => ( cartprodmempaircEq
                                                                                                                                                                                                                 => ( cartprodfstpairEq
                                                                                                                                                                                                                   => ( cartprodsndpairEq
                                                                                                                                                                                                                     => ( cartprodpairsurjEq
                                                                                                                                                                                                                       => ( dpsetconstrI
                                                                                                                                                                                                                         => ( dpsetconstrSub
                                                                                                                                                                                                                           => ( setOfPairsIsBReln
                                                                                                                                                                                                                             => ( dpsetconstrERa
                                                                                                                                                                                                                               => ( dpsetconstrEL1
                                                                                                                                                                                                                                 => ( dpsetconstrEL2
                                                                                                                                                                                                                                   => ( dpsetconstrER
                                                                                                                                                                                                                                     => ( funcImageSingleton
                                                                                                                                                                                                                                       => ( apProp
                                                                                                                                                                                                                                         => ( app
                                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                          ( ( in @ Y0
                                                                                                                                                                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                  ( ( !! @ $i
                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                              ( ( in @ Y5
                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                         => ( ( !! @ $i
                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                        ( ( in @ Y4
                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4807]) ).

thf(f4814,plain,
    ( ( eqimpsubset2
     => ( eqimpsubset1
       => ( subsetI2
         => ( emptysetsubset
           => ( subsetE
             => ( subsetE2
               => ( notsubsetI
                 => ( notequalI1
                   => ( notequalI2
                     => ( subsetRefl
                       => ( subsetTrans
                         => ( setadjoinSub
                           => ( setadjoinSub2
                             => ( subset2powerset
                               => ( setextsub
                                 => ( subsetemptysetimpeq
                                   => ( powersetI1
                                     => ( powersetE1
                                       => ( inPowerset
                                         => ( powersetsubset
                                           => ( sepInPowerset
                                             => ( sepSubset
                                               => ( binunionIL
                                                 => ( upairset2IR
                                                   => ( binunionIR
                                                     => ( binunionEcases
                                                       => ( binunionE
                                                         => ( binunionLsub
                                                           => ( binunionRsub
                                                             => ( binintersectI
                                                               => ( binintersectSubset5
                                                                 => ( binintersectEL
                                                                   => ( binintersectLsub
                                                                     => ( binintersectSubset2
                                                                       => ( binintersectSubset3
                                                                         => ( binintersectER
                                                                           => ( disjointsetsI1
                                                                             => ( binintersectRsub
                                                                               => ( binintersectSubset4
                                                                                 => ( binintersectSubset1
                                                                                   => ( bs114d
                                                                                     => ( setminusI
                                                                                       => ( setminusEL
                                                                                         => ( setminusER
                                                                                           => ( setminusSubset2
                                                                                             => ( setminusERneg
                                                                                               => ( setminusELneg
                                                                                                 => ( setminusILneg
                                                                                                   => ( setminusIRneg
                                                                                                     => ( setminusLsub
                                                                                                       => ( setminusSubset1
                                                                                                         => ( symdiffE
                                                                                                           => ( symdiffI1
                                                                                                             => ( symdiffI2
                                                                                                               => ( symdiffIneg1
                                                                                                                 => ( symdiffIneg2
                                                                                                                   => ( secondinupair
                                                                                                                     => ( setukpairIL
                                                                                                                       => ( setukpairIR
                                                                                                                         => ( kpairiskpair
                                                                                                                           => ( kpairp
                                                                                                                             => ( singletonsubset
                                                                                                                               => ( singletoninpowerset
                                                                                                                                 => ( singletoninpowunion
                                                                                                                                   => ( upairset2E
                                                                                                                                     => ( upairsubunion
                                                                                                                                       => ( upairinpowunion
                                                                                                                                         => ( ubforcartprodlem1
                                                                                                                                           => ( ubforcartprodlem2
                                                                                                                                             => ( ubforcartprodlem3
                                                                                                                                               => ( cartprodpairin
                                                                                                                                                 => ( cartprodmempair1
                                                                                                                                                   => ( cartprodmempair
                                                                                                                                                     => ( setunionE2
                                                                                                                                                       => ( setunionsingleton1
                                                                                                                                                         => ( setunionsingleton2
                                                                                                                                                           => ( setunionsingleton
                                                                                                                                                             => ( singletonprop
                                                                                                                                                               => ( ex1E1
                                                                                                                                                                 => ( ex1I
                                                                                                                                                                   => ( ex1I2
                                                                                                                                                                     => ( singletonsuniq
                                                                                                                                                                       => ( setukpairinjL1
                                                                                                                                                                         => ( kfstsingleton
                                                                                                                                                                           => ( theprop
                                                                                                                                                                             => ( kfstpairEq
                                                                                                                                                                               => ( cartprodfstin
                                                                                                                                                                                 => ( setukpairinjL2
                                                                                                                                                                                   => ( setukpairinjL
                                                                                                                                                                                     => ( setukpairinjR11
                                                                                                                                                                                       => ( setukpairinjR12
                                                                                                                                                                                         => ( setukpairinjR1
                                                                                                                                                                                           => ( upairequniteq
                                                                                                                                                                                             => ( setukpairinjR2
                                                                                                                                                                                               => ( setukpairinjR
                                                                                                                                                                                                 => ( ksndsingleton
                                                                                                                                                                                                   => ( ksndpairEq
                                                                                                                                                                                                     => ( kpairsurjEq
                                                                                                                                                                                                       => ( cartprodsndin
                                                                                                                                                                                                         => ( cartprodpairmemEL
                                                                                                                                                                                                           => ( cartprodpairmemER
                                                                                                                                                                                                             => ( cartprodmempaircEq
                                                                                                                                                                                                               => ( cartprodfstpairEq
                                                                                                                                                                                                                 => ( cartprodsndpairEq
                                                                                                                                                                                                                   => ( cartprodpairsurjEq
                                                                                                                                                                                                                     => ( dpsetconstrI
                                                                                                                                                                                                                       => ( dpsetconstrSub
                                                                                                                                                                                                                         => ( setOfPairsIsBReln
                                                                                                                                                                                                                           => ( dpsetconstrERa
                                                                                                                                                                                                                             => ( dpsetconstrEL1
                                                                                                                                                                                                                               => ( dpsetconstrEL2
                                                                                                                                                                                                                                 => ( dpsetconstrER
                                                                                                                                                                                                                                   => ( funcImageSingleton
                                                                                                                                                                                                                                     => ( apProp
                                                                                                                                                                                                                                       => ( app
                                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                        ( ( in @ Y0
                                                                                                                                                                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                ( ( !! @ $i
                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                            ( ( in @ Y5
                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                       => ( ( !! @ $i
                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                      ( ( in @ Y4
                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4810]) ).

thf(f4817,plain,
    ( $false
    = ( eqimpsubset1
     => ( subsetI2
       => ( emptysetsubset
         => ( subsetE
           => ( subsetE2
             => ( notsubsetI
               => ( notequalI1
                 => ( notequalI2
                   => ( subsetRefl
                     => ( subsetTrans
                       => ( setadjoinSub
                         => ( setadjoinSub2
                           => ( subset2powerset
                             => ( setextsub
                               => ( subsetemptysetimpeq
                                 => ( powersetI1
                                   => ( powersetE1
                                     => ( inPowerset
                                       => ( powersetsubset
                                         => ( sepInPowerset
                                           => ( sepSubset
                                             => ( binunionIL
                                               => ( upairset2IR
                                                 => ( binunionIR
                                                   => ( binunionEcases
                                                     => ( binunionE
                                                       => ( binunionLsub
                                                         => ( binunionRsub
                                                           => ( binintersectI
                                                             => ( binintersectSubset5
                                                               => ( binintersectEL
                                                                 => ( binintersectLsub
                                                                   => ( binintersectSubset2
                                                                     => ( binintersectSubset3
                                                                       => ( binintersectER
                                                                         => ( disjointsetsI1
                                                                           => ( binintersectRsub
                                                                             => ( binintersectSubset4
                                                                               => ( binintersectSubset1
                                                                                 => ( bs114d
                                                                                   => ( setminusI
                                                                                     => ( setminusEL
                                                                                       => ( setminusER
                                                                                         => ( setminusSubset2
                                                                                           => ( setminusERneg
                                                                                             => ( setminusELneg
                                                                                               => ( setminusILneg
                                                                                                 => ( setminusIRneg
                                                                                                   => ( setminusLsub
                                                                                                     => ( setminusSubset1
                                                                                                       => ( symdiffE
                                                                                                         => ( symdiffI1
                                                                                                           => ( symdiffI2
                                                                                                             => ( symdiffIneg1
                                                                                                               => ( symdiffIneg2
                                                                                                                 => ( secondinupair
                                                                                                                   => ( setukpairIL
                                                                                                                     => ( setukpairIR
                                                                                                                       => ( kpairiskpair
                                                                                                                         => ( kpairp
                                                                                                                           => ( singletonsubset
                                                                                                                             => ( singletoninpowerset
                                                                                                                               => ( singletoninpowunion
                                                                                                                                 => ( upairset2E
                                                                                                                                   => ( upairsubunion
                                                                                                                                     => ( upairinpowunion
                                                                                                                                       => ( ubforcartprodlem1
                                                                                                                                         => ( ubforcartprodlem2
                                                                                                                                           => ( ubforcartprodlem3
                                                                                                                                             => ( cartprodpairin
                                                                                                                                               => ( cartprodmempair1
                                                                                                                                                 => ( cartprodmempair
                                                                                                                                                   => ( setunionE2
                                                                                                                                                     => ( setunionsingleton1
                                                                                                                                                       => ( setunionsingleton2
                                                                                                                                                         => ( setunionsingleton
                                                                                                                                                           => ( singletonprop
                                                                                                                                                             => ( ex1E1
                                                                                                                                                               => ( ex1I
                                                                                                                                                                 => ( ex1I2
                                                                                                                                                                   => ( singletonsuniq
                                                                                                                                                                     => ( setukpairinjL1
                                                                                                                                                                       => ( kfstsingleton
                                                                                                                                                                         => ( theprop
                                                                                                                                                                           => ( kfstpairEq
                                                                                                                                                                             => ( cartprodfstin
                                                                                                                                                                               => ( setukpairinjL2
                                                                                                                                                                                 => ( setukpairinjL
                                                                                                                                                                                   => ( setukpairinjR11
                                                                                                                                                                                     => ( setukpairinjR12
                                                                                                                                                                                       => ( setukpairinjR1
                                                                                                                                                                                         => ( upairequniteq
                                                                                                                                                                                           => ( setukpairinjR2
                                                                                                                                                                                             => ( setukpairinjR
                                                                                                                                                                                               => ( ksndsingleton
                                                                                                                                                                                                 => ( ksndpairEq
                                                                                                                                                                                                   => ( kpairsurjEq
                                                                                                                                                                                                     => ( cartprodsndin
                                                                                                                                                                                                       => ( cartprodpairmemEL
                                                                                                                                                                                                         => ( cartprodpairmemER
                                                                                                                                                                                                           => ( cartprodmempaircEq
                                                                                                                                                                                                             => ( cartprodfstpairEq
                                                                                                                                                                                                               => ( cartprodsndpairEq
                                                                                                                                                                                                                 => ( cartprodpairsurjEq
                                                                                                                                                                                                                   => ( dpsetconstrI
                                                                                                                                                                                                                     => ( dpsetconstrSub
                                                                                                                                                                                                                       => ( setOfPairsIsBReln
                                                                                                                                                                                                                         => ( dpsetconstrERa
                                                                                                                                                                                                                           => ( dpsetconstrEL1
                                                                                                                                                                                                                             => ( dpsetconstrEL2
                                                                                                                                                                                                                               => ( dpsetconstrER
                                                                                                                                                                                                                                 => ( funcImageSingleton
                                                                                                                                                                                                                                   => ( apProp
                                                                                                                                                                                                                                     => ( app
                                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                      ( ( in @ Y0
                                                                                                                                                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                              ( ( !! @ $i
                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                          ( ( in @ Y5
                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                     => ( ( !! @ $i
                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                    ( ( in @ Y4
                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4814]) ).

thf(f4820,plain,
    ( $false
    = ( subsetI2
     => ( emptysetsubset
       => ( subsetE
         => ( subsetE2
           => ( notsubsetI
             => ( notequalI1
               => ( notequalI2
                 => ( subsetRefl
                   => ( subsetTrans
                     => ( setadjoinSub
                       => ( setadjoinSub2
                         => ( subset2powerset
                           => ( setextsub
                             => ( subsetemptysetimpeq
                               => ( powersetI1
                                 => ( powersetE1
                                   => ( inPowerset
                                     => ( powersetsubset
                                       => ( sepInPowerset
                                         => ( sepSubset
                                           => ( binunionIL
                                             => ( upairset2IR
                                               => ( binunionIR
                                                 => ( binunionEcases
                                                   => ( binunionE
                                                     => ( binunionLsub
                                                       => ( binunionRsub
                                                         => ( binintersectI
                                                           => ( binintersectSubset5
                                                             => ( binintersectEL
                                                               => ( binintersectLsub
                                                                 => ( binintersectSubset2
                                                                   => ( binintersectSubset3
                                                                     => ( binintersectER
                                                                       => ( disjointsetsI1
                                                                         => ( binintersectRsub
                                                                           => ( binintersectSubset4
                                                                             => ( binintersectSubset1
                                                                               => ( bs114d
                                                                                 => ( setminusI
                                                                                   => ( setminusEL
                                                                                     => ( setminusER
                                                                                       => ( setminusSubset2
                                                                                         => ( setminusERneg
                                                                                           => ( setminusELneg
                                                                                             => ( setminusILneg
                                                                                               => ( setminusIRneg
                                                                                                 => ( setminusLsub
                                                                                                   => ( setminusSubset1
                                                                                                     => ( symdiffE
                                                                                                       => ( symdiffI1
                                                                                                         => ( symdiffI2
                                                                                                           => ( symdiffIneg1
                                                                                                             => ( symdiffIneg2
                                                                                                               => ( secondinupair
                                                                                                                 => ( setukpairIL
                                                                                                                   => ( setukpairIR
                                                                                                                     => ( kpairiskpair
                                                                                                                       => ( kpairp
                                                                                                                         => ( singletonsubset
                                                                                                                           => ( singletoninpowerset
                                                                                                                             => ( singletoninpowunion
                                                                                                                               => ( upairset2E
                                                                                                                                 => ( upairsubunion
                                                                                                                                   => ( upairinpowunion
                                                                                                                                     => ( ubforcartprodlem1
                                                                                                                                       => ( ubforcartprodlem2
                                                                                                                                         => ( ubforcartprodlem3
                                                                                                                                           => ( cartprodpairin
                                                                                                                                             => ( cartprodmempair1
                                                                                                                                               => ( cartprodmempair
                                                                                                                                                 => ( setunionE2
                                                                                                                                                   => ( setunionsingleton1
                                                                                                                                                     => ( setunionsingleton2
                                                                                                                                                       => ( setunionsingleton
                                                                                                                                                         => ( singletonprop
                                                                                                                                                           => ( ex1E1
                                                                                                                                                             => ( ex1I
                                                                                                                                                               => ( ex1I2
                                                                                                                                                                 => ( singletonsuniq
                                                                                                                                                                   => ( setukpairinjL1
                                                                                                                                                                     => ( kfstsingleton
                                                                                                                                                                       => ( theprop
                                                                                                                                                                         => ( kfstpairEq
                                                                                                                                                                           => ( cartprodfstin
                                                                                                                                                                             => ( setukpairinjL2
                                                                                                                                                                               => ( setukpairinjL
                                                                                                                                                                                 => ( setukpairinjR11
                                                                                                                                                                                   => ( setukpairinjR12
                                                                                                                                                                                     => ( setukpairinjR1
                                                                                                                                                                                       => ( upairequniteq
                                                                                                                                                                                         => ( setukpairinjR2
                                                                                                                                                                                           => ( setukpairinjR
                                                                                                                                                                                             => ( ksndsingleton
                                                                                                                                                                                               => ( ksndpairEq
                                                                                                                                                                                                 => ( kpairsurjEq
                                                                                                                                                                                                   => ( cartprodsndin
                                                                                                                                                                                                     => ( cartprodpairmemEL
                                                                                                                                                                                                       => ( cartprodpairmemER
                                                                                                                                                                                                         => ( cartprodmempaircEq
                                                                                                                                                                                                           => ( cartprodfstpairEq
                                                                                                                                                                                                             => ( cartprodsndpairEq
                                                                                                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                                                                                                 => ( dpsetconstrI
                                                                                                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                                                                                                             => ( dpsetconstrER
                                                                                                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                                                                                                 => ( apProp
                                                                                                                                                                                                                                   => ( app
                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                    ( ( in @ Y0
                                                                                                                                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                            ( ( !! @ $i
                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                        ( ( in @ Y5
                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                   => ( ( !! @ $i
                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                  ( ( in @ Y4
                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4817]) ).

thf(f4822,plain,
    ( ( emptysetsubset
     => ( subsetE
       => ( subsetE2
         => ( notsubsetI
           => ( notequalI1
             => ( notequalI2
               => ( subsetRefl
                 => ( subsetTrans
                   => ( setadjoinSub
                     => ( setadjoinSub2
                       => ( subset2powerset
                         => ( setextsub
                           => ( subsetemptysetimpeq
                             => ( powersetI1
                               => ( powersetE1
                                 => ( inPowerset
                                   => ( powersetsubset
                                     => ( sepInPowerset
                                       => ( sepSubset
                                         => ( binunionIL
                                           => ( upairset2IR
                                             => ( binunionIR
                                               => ( binunionEcases
                                                 => ( binunionE
                                                   => ( binunionLsub
                                                     => ( binunionRsub
                                                       => ( binintersectI
                                                         => ( binintersectSubset5
                                                           => ( binintersectEL
                                                             => ( binintersectLsub
                                                               => ( binintersectSubset2
                                                                 => ( binintersectSubset3
                                                                   => ( binintersectER
                                                                     => ( disjointsetsI1
                                                                       => ( binintersectRsub
                                                                         => ( binintersectSubset4
                                                                           => ( binintersectSubset1
                                                                             => ( bs114d
                                                                               => ( setminusI
                                                                                 => ( setminusEL
                                                                                   => ( setminusER
                                                                                     => ( setminusSubset2
                                                                                       => ( setminusERneg
                                                                                         => ( setminusELneg
                                                                                           => ( setminusILneg
                                                                                             => ( setminusIRneg
                                                                                               => ( setminusLsub
                                                                                                 => ( setminusSubset1
                                                                                                   => ( symdiffE
                                                                                                     => ( symdiffI1
                                                                                                       => ( symdiffI2
                                                                                                         => ( symdiffIneg1
                                                                                                           => ( symdiffIneg2
                                                                                                             => ( secondinupair
                                                                                                               => ( setukpairIL
                                                                                                                 => ( setukpairIR
                                                                                                                   => ( kpairiskpair
                                                                                                                     => ( kpairp
                                                                                                                       => ( singletonsubset
                                                                                                                         => ( singletoninpowerset
                                                                                                                           => ( singletoninpowunion
                                                                                                                             => ( upairset2E
                                                                                                                               => ( upairsubunion
                                                                                                                                 => ( upairinpowunion
                                                                                                                                   => ( ubforcartprodlem1
                                                                                                                                     => ( ubforcartprodlem2
                                                                                                                                       => ( ubforcartprodlem3
                                                                                                                                         => ( cartprodpairin
                                                                                                                                           => ( cartprodmempair1
                                                                                                                                             => ( cartprodmempair
                                                                                                                                               => ( setunionE2
                                                                                                                                                 => ( setunionsingleton1
                                                                                                                                                   => ( setunionsingleton2
                                                                                                                                                     => ( setunionsingleton
                                                                                                                                                       => ( singletonprop
                                                                                                                                                         => ( ex1E1
                                                                                                                                                           => ( ex1I
                                                                                                                                                             => ( ex1I2
                                                                                                                                                               => ( singletonsuniq
                                                                                                                                                                 => ( setukpairinjL1
                                                                                                                                                                   => ( kfstsingleton
                                                                                                                                                                     => ( theprop
                                                                                                                                                                       => ( kfstpairEq
                                                                                                                                                                         => ( cartprodfstin
                                                                                                                                                                           => ( setukpairinjL2
                                                                                                                                                                             => ( setukpairinjL
                                                                                                                                                                               => ( setukpairinjR11
                                                                                                                                                                                 => ( setukpairinjR12
                                                                                                                                                                                   => ( setukpairinjR1
                                                                                                                                                                                     => ( upairequniteq
                                                                                                                                                                                       => ( setukpairinjR2
                                                                                                                                                                                         => ( setukpairinjR
                                                                                                                                                                                           => ( ksndsingleton
                                                                                                                                                                                             => ( ksndpairEq
                                                                                                                                                                                               => ( kpairsurjEq
                                                                                                                                                                                                 => ( cartprodsndin
                                                                                                                                                                                                   => ( cartprodpairmemEL
                                                                                                                                                                                                     => ( cartprodpairmemER
                                                                                                                                                                                                       => ( cartprodmempaircEq
                                                                                                                                                                                                         => ( cartprodfstpairEq
                                                                                                                                                                                                           => ( cartprodsndpairEq
                                                                                                                                                                                                             => ( cartprodpairsurjEq
                                                                                                                                                                                                               => ( dpsetconstrI
                                                                                                                                                                                                                 => ( dpsetconstrSub
                                                                                                                                                                                                                   => ( setOfPairsIsBReln
                                                                                                                                                                                                                     => ( dpsetconstrERa
                                                                                                                                                                                                                       => ( dpsetconstrEL1
                                                                                                                                                                                                                         => ( dpsetconstrEL2
                                                                                                                                                                                                                           => ( dpsetconstrER
                                                                                                                                                                                                                             => ( funcImageSingleton
                                                                                                                                                                                                                               => ( apProp
                                                                                                                                                                                                                                 => ( app
                                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                  ( ( in @ Y0
                                                                                                                                                                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                          ( ( !! @ $i
                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                      ( ( in @ Y5
                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                 => ( ( !! @ $i
                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                ( ( in @ Y4
                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4820]) ).

thf(f4826,plain,
    ( $false
    = ( subsetE
     => ( subsetE2
       => ( notsubsetI
         => ( notequalI1
           => ( notequalI2
             => ( subsetRefl
               => ( subsetTrans
                 => ( setadjoinSub
                   => ( setadjoinSub2
                     => ( subset2powerset
                       => ( setextsub
                         => ( subsetemptysetimpeq
                           => ( powersetI1
                             => ( powersetE1
                               => ( inPowerset
                                 => ( powersetsubset
                                   => ( sepInPowerset
                                     => ( sepSubset
                                       => ( binunionIL
                                         => ( upairset2IR
                                           => ( binunionIR
                                             => ( binunionEcases
                                               => ( binunionE
                                                 => ( binunionLsub
                                                   => ( binunionRsub
                                                     => ( binintersectI
                                                       => ( binintersectSubset5
                                                         => ( binintersectEL
                                                           => ( binintersectLsub
                                                             => ( binintersectSubset2
                                                               => ( binintersectSubset3
                                                                 => ( binintersectER
                                                                   => ( disjointsetsI1
                                                                     => ( binintersectRsub
                                                                       => ( binintersectSubset4
                                                                         => ( binintersectSubset1
                                                                           => ( bs114d
                                                                             => ( setminusI
                                                                               => ( setminusEL
                                                                                 => ( setminusER
                                                                                   => ( setminusSubset2
                                                                                     => ( setminusERneg
                                                                                       => ( setminusELneg
                                                                                         => ( setminusILneg
                                                                                           => ( setminusIRneg
                                                                                             => ( setminusLsub
                                                                                               => ( setminusSubset1
                                                                                                 => ( symdiffE
                                                                                                   => ( symdiffI1
                                                                                                     => ( symdiffI2
                                                                                                       => ( symdiffIneg1
                                                                                                         => ( symdiffIneg2
                                                                                                           => ( secondinupair
                                                                                                             => ( setukpairIL
                                                                                                               => ( setukpairIR
                                                                                                                 => ( kpairiskpair
                                                                                                                   => ( kpairp
                                                                                                                     => ( singletonsubset
                                                                                                                       => ( singletoninpowerset
                                                                                                                         => ( singletoninpowunion
                                                                                                                           => ( upairset2E
                                                                                                                             => ( upairsubunion
                                                                                                                               => ( upairinpowunion
                                                                                                                                 => ( ubforcartprodlem1
                                                                                                                                   => ( ubforcartprodlem2
                                                                                                                                     => ( ubforcartprodlem3
                                                                                                                                       => ( cartprodpairin
                                                                                                                                         => ( cartprodmempair1
                                                                                                                                           => ( cartprodmempair
                                                                                                                                             => ( setunionE2
                                                                                                                                               => ( setunionsingleton1
                                                                                                                                                 => ( setunionsingleton2
                                                                                                                                                   => ( setunionsingleton
                                                                                                                                                     => ( singletonprop
                                                                                                                                                       => ( ex1E1
                                                                                                                                                         => ( ex1I
                                                                                                                                                           => ( ex1I2
                                                                                                                                                             => ( singletonsuniq
                                                                                                                                                               => ( setukpairinjL1
                                                                                                                                                                 => ( kfstsingleton
                                                                                                                                                                   => ( theprop
                                                                                                                                                                     => ( kfstpairEq
                                                                                                                                                                       => ( cartprodfstin
                                                                                                                                                                         => ( setukpairinjL2
                                                                                                                                                                           => ( setukpairinjL
                                                                                                                                                                             => ( setukpairinjR11
                                                                                                                                                                               => ( setukpairinjR12
                                                                                                                                                                                 => ( setukpairinjR1
                                                                                                                                                                                   => ( upairequniteq
                                                                                                                                                                                     => ( setukpairinjR2
                                                                                                                                                                                       => ( setukpairinjR
                                                                                                                                                                                         => ( ksndsingleton
                                                                                                                                                                                           => ( ksndpairEq
                                                                                                                                                                                             => ( kpairsurjEq
                                                                                                                                                                                               => ( cartprodsndin
                                                                                                                                                                                                 => ( cartprodpairmemEL
                                                                                                                                                                                                   => ( cartprodpairmemER
                                                                                                                                                                                                     => ( cartprodmempaircEq
                                                                                                                                                                                                       => ( cartprodfstpairEq
                                                                                                                                                                                                         => ( cartprodsndpairEq
                                                                                                                                                                                                           => ( cartprodpairsurjEq
                                                                                                                                                                                                             => ( dpsetconstrI
                                                                                                                                                                                                               => ( dpsetconstrSub
                                                                                                                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                                                                                                                   => ( dpsetconstrERa
                                                                                                                                                                                                                     => ( dpsetconstrEL1
                                                                                                                                                                                                                       => ( dpsetconstrEL2
                                                                                                                                                                                                                         => ( dpsetconstrER
                                                                                                                                                                                                                           => ( funcImageSingleton
                                                                                                                                                                                                                             => ( apProp
                                                                                                                                                                                                                               => ( app
                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                ( ( in @ Y0
                                                                                                                                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                        ( ( !! @ $i
                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                               => ( ( !! @ $i
                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4822]) ).

thf(f4829,plain,
    ( $false
    = ( subsetE2
     => ( notsubsetI
       => ( notequalI1
         => ( notequalI2
           => ( subsetRefl
             => ( subsetTrans
               => ( setadjoinSub
                 => ( setadjoinSub2
                   => ( subset2powerset
                     => ( setextsub
                       => ( subsetemptysetimpeq
                         => ( powersetI1
                           => ( powersetE1
                             => ( inPowerset
                               => ( powersetsubset
                                 => ( sepInPowerset
                                   => ( sepSubset
                                     => ( binunionIL
                                       => ( upairset2IR
                                         => ( binunionIR
                                           => ( binunionEcases
                                             => ( binunionE
                                               => ( binunionLsub
                                                 => ( binunionRsub
                                                   => ( binintersectI
                                                     => ( binintersectSubset5
                                                       => ( binintersectEL
                                                         => ( binintersectLsub
                                                           => ( binintersectSubset2
                                                             => ( binintersectSubset3
                                                               => ( binintersectER
                                                                 => ( disjointsetsI1
                                                                   => ( binintersectRsub
                                                                     => ( binintersectSubset4
                                                                       => ( binintersectSubset1
                                                                         => ( bs114d
                                                                           => ( setminusI
                                                                             => ( setminusEL
                                                                               => ( setminusER
                                                                                 => ( setminusSubset2
                                                                                   => ( setminusERneg
                                                                                     => ( setminusELneg
                                                                                       => ( setminusILneg
                                                                                         => ( setminusIRneg
                                                                                           => ( setminusLsub
                                                                                             => ( setminusSubset1
                                                                                               => ( symdiffE
                                                                                                 => ( symdiffI1
                                                                                                   => ( symdiffI2
                                                                                                     => ( symdiffIneg1
                                                                                                       => ( symdiffIneg2
                                                                                                         => ( secondinupair
                                                                                                           => ( setukpairIL
                                                                                                             => ( setukpairIR
                                                                                                               => ( kpairiskpair
                                                                                                                 => ( kpairp
                                                                                                                   => ( singletonsubset
                                                                                                                     => ( singletoninpowerset
                                                                                                                       => ( singletoninpowunion
                                                                                                                         => ( upairset2E
                                                                                                                           => ( upairsubunion
                                                                                                                             => ( upairinpowunion
                                                                                                                               => ( ubforcartprodlem1
                                                                                                                                 => ( ubforcartprodlem2
                                                                                                                                   => ( ubforcartprodlem3
                                                                                                                                     => ( cartprodpairin
                                                                                                                                       => ( cartprodmempair1
                                                                                                                                         => ( cartprodmempair
                                                                                                                                           => ( setunionE2
                                                                                                                                             => ( setunionsingleton1
                                                                                                                                               => ( setunionsingleton2
                                                                                                                                                 => ( setunionsingleton
                                                                                                                                                   => ( singletonprop
                                                                                                                                                     => ( ex1E1
                                                                                                                                                       => ( ex1I
                                                                                                                                                         => ( ex1I2
                                                                                                                                                           => ( singletonsuniq
                                                                                                                                                             => ( setukpairinjL1
                                                                                                                                                               => ( kfstsingleton
                                                                                                                                                                 => ( theprop
                                                                                                                                                                   => ( kfstpairEq
                                                                                                                                                                     => ( cartprodfstin
                                                                                                                                                                       => ( setukpairinjL2
                                                                                                                                                                         => ( setukpairinjL
                                                                                                                                                                           => ( setukpairinjR11
                                                                                                                                                                             => ( setukpairinjR12
                                                                                                                                                                               => ( setukpairinjR1
                                                                                                                                                                                 => ( upairequniteq
                                                                                                                                                                                   => ( setukpairinjR2
                                                                                                                                                                                     => ( setukpairinjR
                                                                                                                                                                                       => ( ksndsingleton
                                                                                                                                                                                         => ( ksndpairEq
                                                                                                                                                                                           => ( kpairsurjEq
                                                                                                                                                                                             => ( cartprodsndin
                                                                                                                                                                                               => ( cartprodpairmemEL
                                                                                                                                                                                                 => ( cartprodpairmemER
                                                                                                                                                                                                   => ( cartprodmempaircEq
                                                                                                                                                                                                     => ( cartprodfstpairEq
                                                                                                                                                                                                       => ( cartprodsndpairEq
                                                                                                                                                                                                         => ( cartprodpairsurjEq
                                                                                                                                                                                                           => ( dpsetconstrI
                                                                                                                                                                                                             => ( dpsetconstrSub
                                                                                                                                                                                                               => ( setOfPairsIsBReln
                                                                                                                                                                                                                 => ( dpsetconstrERa
                                                                                                                                                                                                                   => ( dpsetconstrEL1
                                                                                                                                                                                                                     => ( dpsetconstrEL2
                                                                                                                                                                                                                       => ( dpsetconstrER
                                                                                                                                                                                                                         => ( funcImageSingleton
                                                                                                                                                                                                                           => ( apProp
                                                                                                                                                                                                                             => ( app
                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                              ( ( in @ Y0
                                                                                                                                                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                      ( ( !! @ $i
                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                  ( ( in @ Y5
                                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                             => ( ( !! @ $i
                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                            ( ( in @ Y4
                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4826]) ).

thf(f4831,plain,
    ( ( notsubsetI
     => ( notequalI1
       => ( notequalI2
         => ( subsetRefl
           => ( subsetTrans
             => ( setadjoinSub
               => ( setadjoinSub2
                 => ( subset2powerset
                   => ( setextsub
                     => ( subsetemptysetimpeq
                       => ( powersetI1
                         => ( powersetE1
                           => ( inPowerset
                             => ( powersetsubset
                               => ( sepInPowerset
                                 => ( sepSubset
                                   => ( binunionIL
                                     => ( upairset2IR
                                       => ( binunionIR
                                         => ( binunionEcases
                                           => ( binunionE
                                             => ( binunionLsub
                                               => ( binunionRsub
                                                 => ( binintersectI
                                                   => ( binintersectSubset5
                                                     => ( binintersectEL
                                                       => ( binintersectLsub
                                                         => ( binintersectSubset2
                                                           => ( binintersectSubset3
                                                             => ( binintersectER
                                                               => ( disjointsetsI1
                                                                 => ( binintersectRsub
                                                                   => ( binintersectSubset4
                                                                     => ( binintersectSubset1
                                                                       => ( bs114d
                                                                         => ( setminusI
                                                                           => ( setminusEL
                                                                             => ( setminusER
                                                                               => ( setminusSubset2
                                                                                 => ( setminusERneg
                                                                                   => ( setminusELneg
                                                                                     => ( setminusILneg
                                                                                       => ( setminusIRneg
                                                                                         => ( setminusLsub
                                                                                           => ( setminusSubset1
                                                                                             => ( symdiffE
                                                                                               => ( symdiffI1
                                                                                                 => ( symdiffI2
                                                                                                   => ( symdiffIneg1
                                                                                                     => ( symdiffIneg2
                                                                                                       => ( secondinupair
                                                                                                         => ( setukpairIL
                                                                                                           => ( setukpairIR
                                                                                                             => ( kpairiskpair
                                                                                                               => ( kpairp
                                                                                                                 => ( singletonsubset
                                                                                                                   => ( singletoninpowerset
                                                                                                                     => ( singletoninpowunion
                                                                                                                       => ( upairset2E
                                                                                                                         => ( upairsubunion
                                                                                                                           => ( upairinpowunion
                                                                                                                             => ( ubforcartprodlem1
                                                                                                                               => ( ubforcartprodlem2
                                                                                                                                 => ( ubforcartprodlem3
                                                                                                                                   => ( cartprodpairin
                                                                                                                                     => ( cartprodmempair1
                                                                                                                                       => ( cartprodmempair
                                                                                                                                         => ( setunionE2
                                                                                                                                           => ( setunionsingleton1
                                                                                                                                             => ( setunionsingleton2
                                                                                                                                               => ( setunionsingleton
                                                                                                                                                 => ( singletonprop
                                                                                                                                                   => ( ex1E1
                                                                                                                                                     => ( ex1I
                                                                                                                                                       => ( ex1I2
                                                                                                                                                         => ( singletonsuniq
                                                                                                                                                           => ( setukpairinjL1
                                                                                                                                                             => ( kfstsingleton
                                                                                                                                                               => ( theprop
                                                                                                                                                                 => ( kfstpairEq
                                                                                                                                                                   => ( cartprodfstin
                                                                                                                                                                     => ( setukpairinjL2
                                                                                                                                                                       => ( setukpairinjL
                                                                                                                                                                         => ( setukpairinjR11
                                                                                                                                                                           => ( setukpairinjR12
                                                                                                                                                                             => ( setukpairinjR1
                                                                                                                                                                               => ( upairequniteq
                                                                                                                                                                                 => ( setukpairinjR2
                                                                                                                                                                                   => ( setukpairinjR
                                                                                                                                                                                     => ( ksndsingleton
                                                                                                                                                                                       => ( ksndpairEq
                                                                                                                                                                                         => ( kpairsurjEq
                                                                                                                                                                                           => ( cartprodsndin
                                                                                                                                                                                             => ( cartprodpairmemEL
                                                                                                                                                                                               => ( cartprodpairmemER
                                                                                                                                                                                                 => ( cartprodmempaircEq
                                                                                                                                                                                                   => ( cartprodfstpairEq
                                                                                                                                                                                                     => ( cartprodsndpairEq
                                                                                                                                                                                                       => ( cartprodpairsurjEq
                                                                                                                                                                                                         => ( dpsetconstrI
                                                                                                                                                                                                           => ( dpsetconstrSub
                                                                                                                                                                                                             => ( setOfPairsIsBReln
                                                                                                                                                                                                               => ( dpsetconstrERa
                                                                                                                                                                                                                 => ( dpsetconstrEL1
                                                                                                                                                                                                                   => ( dpsetconstrEL2
                                                                                                                                                                                                                     => ( dpsetconstrER
                                                                                                                                                                                                                       => ( funcImageSingleton
                                                                                                                                                                                                                         => ( apProp
                                                                                                                                                                                                                           => ( app
                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                            ( ( in @ Y0
                                                                                                                                                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                    ( ( !! @ $i
                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                ( ( in @ Y5
                                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                           => ( ( !! @ $i
                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                          ( ( in @ Y4
                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4829]) ).

thf(f4835,plain,
    ( $false
    = ( notequalI1
     => ( notequalI2
       => ( subsetRefl
         => ( subsetTrans
           => ( setadjoinSub
             => ( setadjoinSub2
               => ( subset2powerset
                 => ( setextsub
                   => ( subsetemptysetimpeq
                     => ( powersetI1
                       => ( powersetE1
                         => ( inPowerset
                           => ( powersetsubset
                             => ( sepInPowerset
                               => ( sepSubset
                                 => ( binunionIL
                                   => ( upairset2IR
                                     => ( binunionIR
                                       => ( binunionEcases
                                         => ( binunionE
                                           => ( binunionLsub
                                             => ( binunionRsub
                                               => ( binintersectI
                                                 => ( binintersectSubset5
                                                   => ( binintersectEL
                                                     => ( binintersectLsub
                                                       => ( binintersectSubset2
                                                         => ( binintersectSubset3
                                                           => ( binintersectER
                                                             => ( disjointsetsI1
                                                               => ( binintersectRsub
                                                                 => ( binintersectSubset4
                                                                   => ( binintersectSubset1
                                                                     => ( bs114d
                                                                       => ( setminusI
                                                                         => ( setminusEL
                                                                           => ( setminusER
                                                                             => ( setminusSubset2
                                                                               => ( setminusERneg
                                                                                 => ( setminusELneg
                                                                                   => ( setminusILneg
                                                                                     => ( setminusIRneg
                                                                                       => ( setminusLsub
                                                                                         => ( setminusSubset1
                                                                                           => ( symdiffE
                                                                                             => ( symdiffI1
                                                                                               => ( symdiffI2
                                                                                                 => ( symdiffIneg1
                                                                                                   => ( symdiffIneg2
                                                                                                     => ( secondinupair
                                                                                                       => ( setukpairIL
                                                                                                         => ( setukpairIR
                                                                                                           => ( kpairiskpair
                                                                                                             => ( kpairp
                                                                                                               => ( singletonsubset
                                                                                                                 => ( singletoninpowerset
                                                                                                                   => ( singletoninpowunion
                                                                                                                     => ( upairset2E
                                                                                                                       => ( upairsubunion
                                                                                                                         => ( upairinpowunion
                                                                                                                           => ( ubforcartprodlem1
                                                                                                                             => ( ubforcartprodlem2
                                                                                                                               => ( ubforcartprodlem3
                                                                                                                                 => ( cartprodpairin
                                                                                                                                   => ( cartprodmempair1
                                                                                                                                     => ( cartprodmempair
                                                                                                                                       => ( setunionE2
                                                                                                                                         => ( setunionsingleton1
                                                                                                                                           => ( setunionsingleton2
                                                                                                                                             => ( setunionsingleton
                                                                                                                                               => ( singletonprop
                                                                                                                                                 => ( ex1E1
                                                                                                                                                   => ( ex1I
                                                                                                                                                     => ( ex1I2
                                                                                                                                                       => ( singletonsuniq
                                                                                                                                                         => ( setukpairinjL1
                                                                                                                                                           => ( kfstsingleton
                                                                                                                                                             => ( theprop
                                                                                                                                                               => ( kfstpairEq
                                                                                                                                                                 => ( cartprodfstin
                                                                                                                                                                   => ( setukpairinjL2
                                                                                                                                                                     => ( setukpairinjL
                                                                                                                                                                       => ( setukpairinjR11
                                                                                                                                                                         => ( setukpairinjR12
                                                                                                                                                                           => ( setukpairinjR1
                                                                                                                                                                             => ( upairequniteq
                                                                                                                                                                               => ( setukpairinjR2
                                                                                                                                                                                 => ( setukpairinjR
                                                                                                                                                                                   => ( ksndsingleton
                                                                                                                                                                                     => ( ksndpairEq
                                                                                                                                                                                       => ( kpairsurjEq
                                                                                                                                                                                         => ( cartprodsndin
                                                                                                                                                                                           => ( cartprodpairmemEL
                                                                                                                                                                                             => ( cartprodpairmemER
                                                                                                                                                                                               => ( cartprodmempaircEq
                                                                                                                                                                                                 => ( cartprodfstpairEq
                                                                                                                                                                                                   => ( cartprodsndpairEq
                                                                                                                                                                                                     => ( cartprodpairsurjEq
                                                                                                                                                                                                       => ( dpsetconstrI
                                                                                                                                                                                                         => ( dpsetconstrSub
                                                                                                                                                                                                           => ( setOfPairsIsBReln
                                                                                                                                                                                                             => ( dpsetconstrERa
                                                                                                                                                                                                               => ( dpsetconstrEL1
                                                                                                                                                                                                                 => ( dpsetconstrEL2
                                                                                                                                                                                                                   => ( dpsetconstrER
                                                                                                                                                                                                                     => ( funcImageSingleton
                                                                                                                                                                                                                       => ( apProp
                                                                                                                                                                                                                         => ( app
                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                          ( ( in @ Y0
                                                                                                                                                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                  ( ( !! @ $i
                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                              ( ( in @ Y5
                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                         => ( ( !! @ $i
                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                        ( ( in @ Y4
                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4831]) ).

thf(f4837,plain,
    ( $false
    = ( notequalI2
     => ( subsetRefl
       => ( subsetTrans
         => ( setadjoinSub
           => ( setadjoinSub2
             => ( subset2powerset
               => ( setextsub
                 => ( subsetemptysetimpeq
                   => ( powersetI1
                     => ( powersetE1
                       => ( inPowerset
                         => ( powersetsubset
                           => ( sepInPowerset
                             => ( sepSubset
                               => ( binunionIL
                                 => ( upairset2IR
                                   => ( binunionIR
                                     => ( binunionEcases
                                       => ( binunionE
                                         => ( binunionLsub
                                           => ( binunionRsub
                                             => ( binintersectI
                                               => ( binintersectSubset5
                                                 => ( binintersectEL
                                                   => ( binintersectLsub
                                                     => ( binintersectSubset2
                                                       => ( binintersectSubset3
                                                         => ( binintersectER
                                                           => ( disjointsetsI1
                                                             => ( binintersectRsub
                                                               => ( binintersectSubset4
                                                                 => ( binintersectSubset1
                                                                   => ( bs114d
                                                                     => ( setminusI
                                                                       => ( setminusEL
                                                                         => ( setminusER
                                                                           => ( setminusSubset2
                                                                             => ( setminusERneg
                                                                               => ( setminusELneg
                                                                                 => ( setminusILneg
                                                                                   => ( setminusIRneg
                                                                                     => ( setminusLsub
                                                                                       => ( setminusSubset1
                                                                                         => ( symdiffE
                                                                                           => ( symdiffI1
                                                                                             => ( symdiffI2
                                                                                               => ( symdiffIneg1
                                                                                                 => ( symdiffIneg2
                                                                                                   => ( secondinupair
                                                                                                     => ( setukpairIL
                                                                                                       => ( setukpairIR
                                                                                                         => ( kpairiskpair
                                                                                                           => ( kpairp
                                                                                                             => ( singletonsubset
                                                                                                               => ( singletoninpowerset
                                                                                                                 => ( singletoninpowunion
                                                                                                                   => ( upairset2E
                                                                                                                     => ( upairsubunion
                                                                                                                       => ( upairinpowunion
                                                                                                                         => ( ubforcartprodlem1
                                                                                                                           => ( ubforcartprodlem2
                                                                                                                             => ( ubforcartprodlem3
                                                                                                                               => ( cartprodpairin
                                                                                                                                 => ( cartprodmempair1
                                                                                                                                   => ( cartprodmempair
                                                                                                                                     => ( setunionE2
                                                                                                                                       => ( setunionsingleton1
                                                                                                                                         => ( setunionsingleton2
                                                                                                                                           => ( setunionsingleton
                                                                                                                                             => ( singletonprop
                                                                                                                                               => ( ex1E1
                                                                                                                                                 => ( ex1I
                                                                                                                                                   => ( ex1I2
                                                                                                                                                     => ( singletonsuniq
                                                                                                                                                       => ( setukpairinjL1
                                                                                                                                                         => ( kfstsingleton
                                                                                                                                                           => ( theprop
                                                                                                                                                             => ( kfstpairEq
                                                                                                                                                               => ( cartprodfstin
                                                                                                                                                                 => ( setukpairinjL2
                                                                                                                                                                   => ( setukpairinjL
                                                                                                                                                                     => ( setukpairinjR11
                                                                                                                                                                       => ( setukpairinjR12
                                                                                                                                                                         => ( setukpairinjR1
                                                                                                                                                                           => ( upairequniteq
                                                                                                                                                                             => ( setukpairinjR2
                                                                                                                                                                               => ( setukpairinjR
                                                                                                                                                                                 => ( ksndsingleton
                                                                                                                                                                                   => ( ksndpairEq
                                                                                                                                                                                     => ( kpairsurjEq
                                                                                                                                                                                       => ( cartprodsndin
                                                                                                                                                                                         => ( cartprodpairmemEL
                                                                                                                                                                                           => ( cartprodpairmemER
                                                                                                                                                                                             => ( cartprodmempaircEq
                                                                                                                                                                                               => ( cartprodfstpairEq
                                                                                                                                                                                                 => ( cartprodsndpairEq
                                                                                                                                                                                                   => ( cartprodpairsurjEq
                                                                                                                                                                                                     => ( dpsetconstrI
                                                                                                                                                                                                       => ( dpsetconstrSub
                                                                                                                                                                                                         => ( setOfPairsIsBReln
                                                                                                                                                                                                           => ( dpsetconstrERa
                                                                                                                                                                                                             => ( dpsetconstrEL1
                                                                                                                                                                                                               => ( dpsetconstrEL2
                                                                                                                                                                                                                 => ( dpsetconstrER
                                                                                                                                                                                                                   => ( funcImageSingleton
                                                                                                                                                                                                                     => ( apProp
                                                                                                                                                                                                                       => ( app
                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                        ( ( in @ Y0
                                                                                                                                                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                ( ( !! @ $i
                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                            ( ( in @ Y5
                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                       => ( ( !! @ $i
                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                      ( ( in @ Y4
                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4835]) ).

thf(f4841,plain,
    ( $false
    = ( subsetRefl
     => ( subsetTrans
       => ( setadjoinSub
         => ( setadjoinSub2
           => ( subset2powerset
             => ( setextsub
               => ( subsetemptysetimpeq
                 => ( powersetI1
                   => ( powersetE1
                     => ( inPowerset
                       => ( powersetsubset
                         => ( sepInPowerset
                           => ( sepSubset
                             => ( binunionIL
                               => ( upairset2IR
                                 => ( binunionIR
                                   => ( binunionEcases
                                     => ( binunionE
                                       => ( binunionLsub
                                         => ( binunionRsub
                                           => ( binintersectI
                                             => ( binintersectSubset5
                                               => ( binintersectEL
                                                 => ( binintersectLsub
                                                   => ( binintersectSubset2
                                                     => ( binintersectSubset3
                                                       => ( binintersectER
                                                         => ( disjointsetsI1
                                                           => ( binintersectRsub
                                                             => ( binintersectSubset4
                                                               => ( binintersectSubset1
                                                                 => ( bs114d
                                                                   => ( setminusI
                                                                     => ( setminusEL
                                                                       => ( setminusER
                                                                         => ( setminusSubset2
                                                                           => ( setminusERneg
                                                                             => ( setminusELneg
                                                                               => ( setminusILneg
                                                                                 => ( setminusIRneg
                                                                                   => ( setminusLsub
                                                                                     => ( setminusSubset1
                                                                                       => ( symdiffE
                                                                                         => ( symdiffI1
                                                                                           => ( symdiffI2
                                                                                             => ( symdiffIneg1
                                                                                               => ( symdiffIneg2
                                                                                                 => ( secondinupair
                                                                                                   => ( setukpairIL
                                                                                                     => ( setukpairIR
                                                                                                       => ( kpairiskpair
                                                                                                         => ( kpairp
                                                                                                           => ( singletonsubset
                                                                                                             => ( singletoninpowerset
                                                                                                               => ( singletoninpowunion
                                                                                                                 => ( upairset2E
                                                                                                                   => ( upairsubunion
                                                                                                                     => ( upairinpowunion
                                                                                                                       => ( ubforcartprodlem1
                                                                                                                         => ( ubforcartprodlem2
                                                                                                                           => ( ubforcartprodlem3
                                                                                                                             => ( cartprodpairin
                                                                                                                               => ( cartprodmempair1
                                                                                                                                 => ( cartprodmempair
                                                                                                                                   => ( setunionE2
                                                                                                                                     => ( setunionsingleton1
                                                                                                                                       => ( setunionsingleton2
                                                                                                                                         => ( setunionsingleton
                                                                                                                                           => ( singletonprop
                                                                                                                                             => ( ex1E1
                                                                                                                                               => ( ex1I
                                                                                                                                                 => ( ex1I2
                                                                                                                                                   => ( singletonsuniq
                                                                                                                                                     => ( setukpairinjL1
                                                                                                                                                       => ( kfstsingleton
                                                                                                                                                         => ( theprop
                                                                                                                                                           => ( kfstpairEq
                                                                                                                                                             => ( cartprodfstin
                                                                                                                                                               => ( setukpairinjL2
                                                                                                                                                                 => ( setukpairinjL
                                                                                                                                                                   => ( setukpairinjR11
                                                                                                                                                                     => ( setukpairinjR12
                                                                                                                                                                       => ( setukpairinjR1
                                                                                                                                                                         => ( upairequniteq
                                                                                                                                                                           => ( setukpairinjR2
                                                                                                                                                                             => ( setukpairinjR
                                                                                                                                                                               => ( ksndsingleton
                                                                                                                                                                                 => ( ksndpairEq
                                                                                                                                                                                   => ( kpairsurjEq
                                                                                                                                                                                     => ( cartprodsndin
                                                                                                                                                                                       => ( cartprodpairmemEL
                                                                                                                                                                                         => ( cartprodpairmemER
                                                                                                                                                                                           => ( cartprodmempaircEq
                                                                                                                                                                                             => ( cartprodfstpairEq
                                                                                                                                                                                               => ( cartprodsndpairEq
                                                                                                                                                                                                 => ( cartprodpairsurjEq
                                                                                                                                                                                                   => ( dpsetconstrI
                                                                                                                                                                                                     => ( dpsetconstrSub
                                                                                                                                                                                                       => ( setOfPairsIsBReln
                                                                                                                                                                                                         => ( dpsetconstrERa
                                                                                                                                                                                                           => ( dpsetconstrEL1
                                                                                                                                                                                                             => ( dpsetconstrEL2
                                                                                                                                                                                                               => ( dpsetconstrER
                                                                                                                                                                                                                 => ( funcImageSingleton
                                                                                                                                                                                                                   => ( apProp
                                                                                                                                                                                                                     => ( app
                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                      ( ( in @ Y0
                                                                                                                                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                              ( ( !! @ $i
                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                          ( ( in @ Y5
                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                     => ( ( !! @ $i
                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                    ( ( in @ Y4
                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4837]) ).

thf(f4844,plain,
    ( ( subsetTrans
     => ( setadjoinSub
       => ( setadjoinSub2
         => ( subset2powerset
           => ( setextsub
             => ( subsetemptysetimpeq
               => ( powersetI1
                 => ( powersetE1
                   => ( inPowerset
                     => ( powersetsubset
                       => ( sepInPowerset
                         => ( sepSubset
                           => ( binunionIL
                             => ( upairset2IR
                               => ( binunionIR
                                 => ( binunionEcases
                                   => ( binunionE
                                     => ( binunionLsub
                                       => ( binunionRsub
                                         => ( binintersectI
                                           => ( binintersectSubset5
                                             => ( binintersectEL
                                               => ( binintersectLsub
                                                 => ( binintersectSubset2
                                                   => ( binintersectSubset3
                                                     => ( binintersectER
                                                       => ( disjointsetsI1
                                                         => ( binintersectRsub
                                                           => ( binintersectSubset4
                                                             => ( binintersectSubset1
                                                               => ( bs114d
                                                                 => ( setminusI
                                                                   => ( setminusEL
                                                                     => ( setminusER
                                                                       => ( setminusSubset2
                                                                         => ( setminusERneg
                                                                           => ( setminusELneg
                                                                             => ( setminusILneg
                                                                               => ( setminusIRneg
                                                                                 => ( setminusLsub
                                                                                   => ( setminusSubset1
                                                                                     => ( symdiffE
                                                                                       => ( symdiffI1
                                                                                         => ( symdiffI2
                                                                                           => ( symdiffIneg1
                                                                                             => ( symdiffIneg2
                                                                                               => ( secondinupair
                                                                                                 => ( setukpairIL
                                                                                                   => ( setukpairIR
                                                                                                     => ( kpairiskpair
                                                                                                       => ( kpairp
                                                                                                         => ( singletonsubset
                                                                                                           => ( singletoninpowerset
                                                                                                             => ( singletoninpowunion
                                                                                                               => ( upairset2E
                                                                                                                 => ( upairsubunion
                                                                                                                   => ( upairinpowunion
                                                                                                                     => ( ubforcartprodlem1
                                                                                                                       => ( ubforcartprodlem2
                                                                                                                         => ( ubforcartprodlem3
                                                                                                                           => ( cartprodpairin
                                                                                                                             => ( cartprodmempair1
                                                                                                                               => ( cartprodmempair
                                                                                                                                 => ( setunionE2
                                                                                                                                   => ( setunionsingleton1
                                                                                                                                     => ( setunionsingleton2
                                                                                                                                       => ( setunionsingleton
                                                                                                                                         => ( singletonprop
                                                                                                                                           => ( ex1E1
                                                                                                                                             => ( ex1I
                                                                                                                                               => ( ex1I2
                                                                                                                                                 => ( singletonsuniq
                                                                                                                                                   => ( setukpairinjL1
                                                                                                                                                     => ( kfstsingleton
                                                                                                                                                       => ( theprop
                                                                                                                                                         => ( kfstpairEq
                                                                                                                                                           => ( cartprodfstin
                                                                                                                                                             => ( setukpairinjL2
                                                                                                                                                               => ( setukpairinjL
                                                                                                                                                                 => ( setukpairinjR11
                                                                                                                                                                   => ( setukpairinjR12
                                                                                                                                                                     => ( setukpairinjR1
                                                                                                                                                                       => ( upairequniteq
                                                                                                                                                                         => ( setukpairinjR2
                                                                                                                                                                           => ( setukpairinjR
                                                                                                                                                                             => ( ksndsingleton
                                                                                                                                                                               => ( ksndpairEq
                                                                                                                                                                                 => ( kpairsurjEq
                                                                                                                                                                                   => ( cartprodsndin
                                                                                                                                                                                     => ( cartprodpairmemEL
                                                                                                                                                                                       => ( cartprodpairmemER
                                                                                                                                                                                         => ( cartprodmempaircEq
                                                                                                                                                                                           => ( cartprodfstpairEq
                                                                                                                                                                                             => ( cartprodsndpairEq
                                                                                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                                                                                 => ( dpsetconstrI
                                                                                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                                                                                             => ( dpsetconstrER
                                                                                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                                                                                 => ( apProp
                                                                                                                                                                                                                   => ( app
                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                    ( ( in @ Y0
                                                                                                                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                            ( ( !! @ $i
                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                        ( ( in @ Y5
                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                   => ( ( !! @ $i
                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                  ( ( in @ Y4
                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4841]) ).

thf(f4846,plain,
    ( ( setadjoinSub
     => ( setadjoinSub2
       => ( subset2powerset
         => ( setextsub
           => ( subsetemptysetimpeq
             => ( powersetI1
               => ( powersetE1
                 => ( inPowerset
                   => ( powersetsubset
                     => ( sepInPowerset
                       => ( sepSubset
                         => ( binunionIL
                           => ( upairset2IR
                             => ( binunionIR
                               => ( binunionEcases
                                 => ( binunionE
                                   => ( binunionLsub
                                     => ( binunionRsub
                                       => ( binintersectI
                                         => ( binintersectSubset5
                                           => ( binintersectEL
                                             => ( binintersectLsub
                                               => ( binintersectSubset2
                                                 => ( binintersectSubset3
                                                   => ( binintersectER
                                                     => ( disjointsetsI1
                                                       => ( binintersectRsub
                                                         => ( binintersectSubset4
                                                           => ( binintersectSubset1
                                                             => ( bs114d
                                                               => ( setminusI
                                                                 => ( setminusEL
                                                                   => ( setminusER
                                                                     => ( setminusSubset2
                                                                       => ( setminusERneg
                                                                         => ( setminusELneg
                                                                           => ( setminusILneg
                                                                             => ( setminusIRneg
                                                                               => ( setminusLsub
                                                                                 => ( setminusSubset1
                                                                                   => ( symdiffE
                                                                                     => ( symdiffI1
                                                                                       => ( symdiffI2
                                                                                         => ( symdiffIneg1
                                                                                           => ( symdiffIneg2
                                                                                             => ( secondinupair
                                                                                               => ( setukpairIL
                                                                                                 => ( setukpairIR
                                                                                                   => ( kpairiskpair
                                                                                                     => ( kpairp
                                                                                                       => ( singletonsubset
                                                                                                         => ( singletoninpowerset
                                                                                                           => ( singletoninpowunion
                                                                                                             => ( upairset2E
                                                                                                               => ( upairsubunion
                                                                                                                 => ( upairinpowunion
                                                                                                                   => ( ubforcartprodlem1
                                                                                                                     => ( ubforcartprodlem2
                                                                                                                       => ( ubforcartprodlem3
                                                                                                                         => ( cartprodpairin
                                                                                                                           => ( cartprodmempair1
                                                                                                                             => ( cartprodmempair
                                                                                                                               => ( setunionE2
                                                                                                                                 => ( setunionsingleton1
                                                                                                                                   => ( setunionsingleton2
                                                                                                                                     => ( setunionsingleton
                                                                                                                                       => ( singletonprop
                                                                                                                                         => ( ex1E1
                                                                                                                                           => ( ex1I
                                                                                                                                             => ( ex1I2
                                                                                                                                               => ( singletonsuniq
                                                                                                                                                 => ( setukpairinjL1
                                                                                                                                                   => ( kfstsingleton
                                                                                                                                                     => ( theprop
                                                                                                                                                       => ( kfstpairEq
                                                                                                                                                         => ( cartprodfstin
                                                                                                                                                           => ( setukpairinjL2
                                                                                                                                                             => ( setukpairinjL
                                                                                                                                                               => ( setukpairinjR11
                                                                                                                                                                 => ( setukpairinjR12
                                                                                                                                                                   => ( setukpairinjR1
                                                                                                                                                                     => ( upairequniteq
                                                                                                                                                                       => ( setukpairinjR2
                                                                                                                                                                         => ( setukpairinjR
                                                                                                                                                                           => ( ksndsingleton
                                                                                                                                                                             => ( ksndpairEq
                                                                                                                                                                               => ( kpairsurjEq
                                                                                                                                                                                 => ( cartprodsndin
                                                                                                                                                                                   => ( cartprodpairmemEL
                                                                                                                                                                                     => ( cartprodpairmemER
                                                                                                                                                                                       => ( cartprodmempaircEq
                                                                                                                                                                                         => ( cartprodfstpairEq
                                                                                                                                                                                           => ( cartprodsndpairEq
                                                                                                                                                                                             => ( cartprodpairsurjEq
                                                                                                                                                                                               => ( dpsetconstrI
                                                                                                                                                                                                 => ( dpsetconstrSub
                                                                                                                                                                                                   => ( setOfPairsIsBReln
                                                                                                                                                                                                     => ( dpsetconstrERa
                                                                                                                                                                                                       => ( dpsetconstrEL1
                                                                                                                                                                                                         => ( dpsetconstrEL2
                                                                                                                                                                                                           => ( dpsetconstrER
                                                                                                                                                                                                             => ( funcImageSingleton
                                                                                                                                                                                                               => ( apProp
                                                                                                                                                                                                                 => ( app
                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                  ( ( in @ Y0
                                                                                                                                                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                          ( ( !! @ $i
                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                      ( ( in @ Y5
                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                 => ( ( !! @ $i
                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                ( ( in @ Y4
                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4844]) ).

thf(f4849,plain,
    ( $false
    = ( setadjoinSub2
     => ( subset2powerset
       => ( setextsub
         => ( subsetemptysetimpeq
           => ( powersetI1
             => ( powersetE1
               => ( inPowerset
                 => ( powersetsubset
                   => ( sepInPowerset
                     => ( sepSubset
                       => ( binunionIL
                         => ( upairset2IR
                           => ( binunionIR
                             => ( binunionEcases
                               => ( binunionE
                                 => ( binunionLsub
                                   => ( binunionRsub
                                     => ( binintersectI
                                       => ( binintersectSubset5
                                         => ( binintersectEL
                                           => ( binintersectLsub
                                             => ( binintersectSubset2
                                               => ( binintersectSubset3
                                                 => ( binintersectER
                                                   => ( disjointsetsI1
                                                     => ( binintersectRsub
                                                       => ( binintersectSubset4
                                                         => ( binintersectSubset1
                                                           => ( bs114d
                                                             => ( setminusI
                                                               => ( setminusEL
                                                                 => ( setminusER
                                                                   => ( setminusSubset2
                                                                     => ( setminusERneg
                                                                       => ( setminusELneg
                                                                         => ( setminusILneg
                                                                           => ( setminusIRneg
                                                                             => ( setminusLsub
                                                                               => ( setminusSubset1
                                                                                 => ( symdiffE
                                                                                   => ( symdiffI1
                                                                                     => ( symdiffI2
                                                                                       => ( symdiffIneg1
                                                                                         => ( symdiffIneg2
                                                                                           => ( secondinupair
                                                                                             => ( setukpairIL
                                                                                               => ( setukpairIR
                                                                                                 => ( kpairiskpair
                                                                                                   => ( kpairp
                                                                                                     => ( singletonsubset
                                                                                                       => ( singletoninpowerset
                                                                                                         => ( singletoninpowunion
                                                                                                           => ( upairset2E
                                                                                                             => ( upairsubunion
                                                                                                               => ( upairinpowunion
                                                                                                                 => ( ubforcartprodlem1
                                                                                                                   => ( ubforcartprodlem2
                                                                                                                     => ( ubforcartprodlem3
                                                                                                                       => ( cartprodpairin
                                                                                                                         => ( cartprodmempair1
                                                                                                                           => ( cartprodmempair
                                                                                                                             => ( setunionE2
                                                                                                                               => ( setunionsingleton1
                                                                                                                                 => ( setunionsingleton2
                                                                                                                                   => ( setunionsingleton
                                                                                                                                     => ( singletonprop
                                                                                                                                       => ( ex1E1
                                                                                                                                         => ( ex1I
                                                                                                                                           => ( ex1I2
                                                                                                                                             => ( singletonsuniq
                                                                                                                                               => ( setukpairinjL1
                                                                                                                                                 => ( kfstsingleton
                                                                                                                                                   => ( theprop
                                                                                                                                                     => ( kfstpairEq
                                                                                                                                                       => ( cartprodfstin
                                                                                                                                                         => ( setukpairinjL2
                                                                                                                                                           => ( setukpairinjL
                                                                                                                                                             => ( setukpairinjR11
                                                                                                                                                               => ( setukpairinjR12
                                                                                                                                                                 => ( setukpairinjR1
                                                                                                                                                                   => ( upairequniteq
                                                                                                                                                                     => ( setukpairinjR2
                                                                                                                                                                       => ( setukpairinjR
                                                                                                                                                                         => ( ksndsingleton
                                                                                                                                                                           => ( ksndpairEq
                                                                                                                                                                             => ( kpairsurjEq
                                                                                                                                                                               => ( cartprodsndin
                                                                                                                                                                                 => ( cartprodpairmemEL
                                                                                                                                                                                   => ( cartprodpairmemER
                                                                                                                                                                                     => ( cartprodmempaircEq
                                                                                                                                                                                       => ( cartprodfstpairEq
                                                                                                                                                                                         => ( cartprodsndpairEq
                                                                                                                                                                                           => ( cartprodpairsurjEq
                                                                                                                                                                                             => ( dpsetconstrI
                                                                                                                                                                                               => ( dpsetconstrSub
                                                                                                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                                                                                                   => ( dpsetconstrERa
                                                                                                                                                                                                     => ( dpsetconstrEL1
                                                                                                                                                                                                       => ( dpsetconstrEL2
                                                                                                                                                                                                         => ( dpsetconstrER
                                                                                                                                                                                                           => ( funcImageSingleton
                                                                                                                                                                                                             => ( apProp
                                                                                                                                                                                                               => ( app
                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                ( ( in @ Y0
                                                                                                                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                        ( ( !! @ $i
                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                               => ( ( !! @ $i
                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4846]) ).

thf(f4852,plain,
    ( $false
    = ( subset2powerset
     => ( setextsub
       => ( subsetemptysetimpeq
         => ( powersetI1
           => ( powersetE1
             => ( inPowerset
               => ( powersetsubset
                 => ( sepInPowerset
                   => ( sepSubset
                     => ( binunionIL
                       => ( upairset2IR
                         => ( binunionIR
                           => ( binunionEcases
                             => ( binunionE
                               => ( binunionLsub
                                 => ( binunionRsub
                                   => ( binintersectI
                                     => ( binintersectSubset5
                                       => ( binintersectEL
                                         => ( binintersectLsub
                                           => ( binintersectSubset2
                                             => ( binintersectSubset3
                                               => ( binintersectER
                                                 => ( disjointsetsI1
                                                   => ( binintersectRsub
                                                     => ( binintersectSubset4
                                                       => ( binintersectSubset1
                                                         => ( bs114d
                                                           => ( setminusI
                                                             => ( setminusEL
                                                               => ( setminusER
                                                                 => ( setminusSubset2
                                                                   => ( setminusERneg
                                                                     => ( setminusELneg
                                                                       => ( setminusILneg
                                                                         => ( setminusIRneg
                                                                           => ( setminusLsub
                                                                             => ( setminusSubset1
                                                                               => ( symdiffE
                                                                                 => ( symdiffI1
                                                                                   => ( symdiffI2
                                                                                     => ( symdiffIneg1
                                                                                       => ( symdiffIneg2
                                                                                         => ( secondinupair
                                                                                           => ( setukpairIL
                                                                                             => ( setukpairIR
                                                                                               => ( kpairiskpair
                                                                                                 => ( kpairp
                                                                                                   => ( singletonsubset
                                                                                                     => ( singletoninpowerset
                                                                                                       => ( singletoninpowunion
                                                                                                         => ( upairset2E
                                                                                                           => ( upairsubunion
                                                                                                             => ( upairinpowunion
                                                                                                               => ( ubforcartprodlem1
                                                                                                                 => ( ubforcartprodlem2
                                                                                                                   => ( ubforcartprodlem3
                                                                                                                     => ( cartprodpairin
                                                                                                                       => ( cartprodmempair1
                                                                                                                         => ( cartprodmempair
                                                                                                                           => ( setunionE2
                                                                                                                             => ( setunionsingleton1
                                                                                                                               => ( setunionsingleton2
                                                                                                                                 => ( setunionsingleton
                                                                                                                                   => ( singletonprop
                                                                                                                                     => ( ex1E1
                                                                                                                                       => ( ex1I
                                                                                                                                         => ( ex1I2
                                                                                                                                           => ( singletonsuniq
                                                                                                                                             => ( setukpairinjL1
                                                                                                                                               => ( kfstsingleton
                                                                                                                                                 => ( theprop
                                                                                                                                                   => ( kfstpairEq
                                                                                                                                                     => ( cartprodfstin
                                                                                                                                                       => ( setukpairinjL2
                                                                                                                                                         => ( setukpairinjL
                                                                                                                                                           => ( setukpairinjR11
                                                                                                                                                             => ( setukpairinjR12
                                                                                                                                                               => ( setukpairinjR1
                                                                                                                                                                 => ( upairequniteq
                                                                                                                                                                   => ( setukpairinjR2
                                                                                                                                                                     => ( setukpairinjR
                                                                                                                                                                       => ( ksndsingleton
                                                                                                                                                                         => ( ksndpairEq
                                                                                                                                                                           => ( kpairsurjEq
                                                                                                                                                                             => ( cartprodsndin
                                                                                                                                                                               => ( cartprodpairmemEL
                                                                                                                                                                                 => ( cartprodpairmemER
                                                                                                                                                                                   => ( cartprodmempaircEq
                                                                                                                                                                                     => ( cartprodfstpairEq
                                                                                                                                                                                       => ( cartprodsndpairEq
                                                                                                                                                                                         => ( cartprodpairsurjEq
                                                                                                                                                                                           => ( dpsetconstrI
                                                                                                                                                                                             => ( dpsetconstrSub
                                                                                                                                                                                               => ( setOfPairsIsBReln
                                                                                                                                                                                                 => ( dpsetconstrERa
                                                                                                                                                                                                   => ( dpsetconstrEL1
                                                                                                                                                                                                     => ( dpsetconstrEL2
                                                                                                                                                                                                       => ( dpsetconstrER
                                                                                                                                                                                                         => ( funcImageSingleton
                                                                                                                                                                                                           => ( apProp
                                                                                                                                                                                                             => ( app
                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                              ( ( in @ Y0
                                                                                                                                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                      ( ( !! @ $i
                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                  ( ( in @ Y5
                                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                             => ( ( !! @ $i
                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                            ( ( in @ Y4
                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4849]) ).

thf(f4855,plain,
    ( $false
    = ( setextsub
     => ( subsetemptysetimpeq
       => ( powersetI1
         => ( powersetE1
           => ( inPowerset
             => ( powersetsubset
               => ( sepInPowerset
                 => ( sepSubset
                   => ( binunionIL
                     => ( upairset2IR
                       => ( binunionIR
                         => ( binunionEcases
                           => ( binunionE
                             => ( binunionLsub
                               => ( binunionRsub
                                 => ( binintersectI
                                   => ( binintersectSubset5
                                     => ( binintersectEL
                                       => ( binintersectLsub
                                         => ( binintersectSubset2
                                           => ( binintersectSubset3
                                             => ( binintersectER
                                               => ( disjointsetsI1
                                                 => ( binintersectRsub
                                                   => ( binintersectSubset4
                                                     => ( binintersectSubset1
                                                       => ( bs114d
                                                         => ( setminusI
                                                           => ( setminusEL
                                                             => ( setminusER
                                                               => ( setminusSubset2
                                                                 => ( setminusERneg
                                                                   => ( setminusELneg
                                                                     => ( setminusILneg
                                                                       => ( setminusIRneg
                                                                         => ( setminusLsub
                                                                           => ( setminusSubset1
                                                                             => ( symdiffE
                                                                               => ( symdiffI1
                                                                                 => ( symdiffI2
                                                                                   => ( symdiffIneg1
                                                                                     => ( symdiffIneg2
                                                                                       => ( secondinupair
                                                                                         => ( setukpairIL
                                                                                           => ( setukpairIR
                                                                                             => ( kpairiskpair
                                                                                               => ( kpairp
                                                                                                 => ( singletonsubset
                                                                                                   => ( singletoninpowerset
                                                                                                     => ( singletoninpowunion
                                                                                                       => ( upairset2E
                                                                                                         => ( upairsubunion
                                                                                                           => ( upairinpowunion
                                                                                                             => ( ubforcartprodlem1
                                                                                                               => ( ubforcartprodlem2
                                                                                                                 => ( ubforcartprodlem3
                                                                                                                   => ( cartprodpairin
                                                                                                                     => ( cartprodmempair1
                                                                                                                       => ( cartprodmempair
                                                                                                                         => ( setunionE2
                                                                                                                           => ( setunionsingleton1
                                                                                                                             => ( setunionsingleton2
                                                                                                                               => ( setunionsingleton
                                                                                                                                 => ( singletonprop
                                                                                                                                   => ( ex1E1
                                                                                                                                     => ( ex1I
                                                                                                                                       => ( ex1I2
                                                                                                                                         => ( singletonsuniq
                                                                                                                                           => ( setukpairinjL1
                                                                                                                                             => ( kfstsingleton
                                                                                                                                               => ( theprop
                                                                                                                                                 => ( kfstpairEq
                                                                                                                                                   => ( cartprodfstin
                                                                                                                                                     => ( setukpairinjL2
                                                                                                                                                       => ( setukpairinjL
                                                                                                                                                         => ( setukpairinjR11
                                                                                                                                                           => ( setukpairinjR12
                                                                                                                                                             => ( setukpairinjR1
                                                                                                                                                               => ( upairequniteq
                                                                                                                                                                 => ( setukpairinjR2
                                                                                                                                                                   => ( setukpairinjR
                                                                                                                                                                     => ( ksndsingleton
                                                                                                                                                                       => ( ksndpairEq
                                                                                                                                                                         => ( kpairsurjEq
                                                                                                                                                                           => ( cartprodsndin
                                                                                                                                                                             => ( cartprodpairmemEL
                                                                                                                                                                               => ( cartprodpairmemER
                                                                                                                                                                                 => ( cartprodmempaircEq
                                                                                                                                                                                   => ( cartprodfstpairEq
                                                                                                                                                                                     => ( cartprodsndpairEq
                                                                                                                                                                                       => ( cartprodpairsurjEq
                                                                                                                                                                                         => ( dpsetconstrI
                                                                                                                                                                                           => ( dpsetconstrSub
                                                                                                                                                                                             => ( setOfPairsIsBReln
                                                                                                                                                                                               => ( dpsetconstrERa
                                                                                                                                                                                                 => ( dpsetconstrEL1
                                                                                                                                                                                                   => ( dpsetconstrEL2
                                                                                                                                                                                                     => ( dpsetconstrER
                                                                                                                                                                                                       => ( funcImageSingleton
                                                                                                                                                                                                         => ( apProp
                                                                                                                                                                                                           => ( app
                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                            ( ( in @ Y0
                                                                                                                                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                    ( ( !! @ $i
                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                ( ( in @ Y5
                                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                           => ( ( !! @ $i
                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                          ( ( in @ Y4
                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4852]) ).

thf(f4859,plain,
    ( $false
    = ( subsetemptysetimpeq
     => ( powersetI1
       => ( powersetE1
         => ( inPowerset
           => ( powersetsubset
             => ( sepInPowerset
               => ( sepSubset
                 => ( binunionIL
                   => ( upairset2IR
                     => ( binunionIR
                       => ( binunionEcases
                         => ( binunionE
                           => ( binunionLsub
                             => ( binunionRsub
                               => ( binintersectI
                                 => ( binintersectSubset5
                                   => ( binintersectEL
                                     => ( binintersectLsub
                                       => ( binintersectSubset2
                                         => ( binintersectSubset3
                                           => ( binintersectER
                                             => ( disjointsetsI1
                                               => ( binintersectRsub
                                                 => ( binintersectSubset4
                                                   => ( binintersectSubset1
                                                     => ( bs114d
                                                       => ( setminusI
                                                         => ( setminusEL
                                                           => ( setminusER
                                                             => ( setminusSubset2
                                                               => ( setminusERneg
                                                                 => ( setminusELneg
                                                                   => ( setminusILneg
                                                                     => ( setminusIRneg
                                                                       => ( setminusLsub
                                                                         => ( setminusSubset1
                                                                           => ( symdiffE
                                                                             => ( symdiffI1
                                                                               => ( symdiffI2
                                                                                 => ( symdiffIneg1
                                                                                   => ( symdiffIneg2
                                                                                     => ( secondinupair
                                                                                       => ( setukpairIL
                                                                                         => ( setukpairIR
                                                                                           => ( kpairiskpair
                                                                                             => ( kpairp
                                                                                               => ( singletonsubset
                                                                                                 => ( singletoninpowerset
                                                                                                   => ( singletoninpowunion
                                                                                                     => ( upairset2E
                                                                                                       => ( upairsubunion
                                                                                                         => ( upairinpowunion
                                                                                                           => ( ubforcartprodlem1
                                                                                                             => ( ubforcartprodlem2
                                                                                                               => ( ubforcartprodlem3
                                                                                                                 => ( cartprodpairin
                                                                                                                   => ( cartprodmempair1
                                                                                                                     => ( cartprodmempair
                                                                                                                       => ( setunionE2
                                                                                                                         => ( setunionsingleton1
                                                                                                                           => ( setunionsingleton2
                                                                                                                             => ( setunionsingleton
                                                                                                                               => ( singletonprop
                                                                                                                                 => ( ex1E1
                                                                                                                                   => ( ex1I
                                                                                                                                     => ( ex1I2
                                                                                                                                       => ( singletonsuniq
                                                                                                                                         => ( setukpairinjL1
                                                                                                                                           => ( kfstsingleton
                                                                                                                                             => ( theprop
                                                                                                                                               => ( kfstpairEq
                                                                                                                                                 => ( cartprodfstin
                                                                                                                                                   => ( setukpairinjL2
                                                                                                                                                     => ( setukpairinjL
                                                                                                                                                       => ( setukpairinjR11
                                                                                                                                                         => ( setukpairinjR12
                                                                                                                                                           => ( setukpairinjR1
                                                                                                                                                             => ( upairequniteq
                                                                                                                                                               => ( setukpairinjR2
                                                                                                                                                                 => ( setukpairinjR
                                                                                                                                                                   => ( ksndsingleton
                                                                                                                                                                     => ( ksndpairEq
                                                                                                                                                                       => ( kpairsurjEq
                                                                                                                                                                         => ( cartprodsndin
                                                                                                                                                                           => ( cartprodpairmemEL
                                                                                                                                                                             => ( cartprodpairmemER
                                                                                                                                                                               => ( cartprodmempaircEq
                                                                                                                                                                                 => ( cartprodfstpairEq
                                                                                                                                                                                   => ( cartprodsndpairEq
                                                                                                                                                                                     => ( cartprodpairsurjEq
                                                                                                                                                                                       => ( dpsetconstrI
                                                                                                                                                                                         => ( dpsetconstrSub
                                                                                                                                                                                           => ( setOfPairsIsBReln
                                                                                                                                                                                             => ( dpsetconstrERa
                                                                                                                                                                                               => ( dpsetconstrEL1
                                                                                                                                                                                                 => ( dpsetconstrEL2
                                                                                                                                                                                                   => ( dpsetconstrER
                                                                                                                                                                                                     => ( funcImageSingleton
                                                                                                                                                                                                       => ( apProp
                                                                                                                                                                                                         => ( app
                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                          ( ( in @ Y0
                                                                                                                                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                  ( ( !! @ $i
                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                                                                                                                                              ( ( in @ Y5
                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                         => ( ( !! @ $i
                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                        ( ( in @ Y4
                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4855]) ).

thf(f4861,plain,
    ( $false
    = ( powersetI1
     => ( powersetE1
       => ( inPowerset
         => ( powersetsubset
           => ( sepInPowerset
             => ( sepSubset
               => ( binunionIL
                 => ( upairset2IR
                   => ( binunionIR
                     => ( binunionEcases
                       => ( binunionE
                         => ( binunionLsub
                           => ( binunionRsub
                             => ( binintersectI
                               => ( binintersectSubset5
                                 => ( binintersectEL
                                   => ( binintersectLsub
                                     => ( binintersectSubset2
                                       => ( binintersectSubset3
                                         => ( binintersectER
                                           => ( disjointsetsI1
                                             => ( binintersectRsub
                                               => ( binintersectSubset4
                                                 => ( binintersectSubset1
                                                   => ( bs114d
                                                     => ( setminusI
                                                       => ( setminusEL
                                                         => ( setminusER
                                                           => ( setminusSubset2
                                                             => ( setminusERneg
                                                               => ( setminusELneg
                                                                 => ( setminusILneg
                                                                   => ( setminusIRneg
                                                                     => ( setminusLsub
                                                                       => ( setminusSubset1
                                                                         => ( symdiffE
                                                                           => ( symdiffI1
                                                                             => ( symdiffI2
                                                                               => ( symdiffIneg1
                                                                                 => ( symdiffIneg2
                                                                                   => ( secondinupair
                                                                                     => ( setukpairIL
                                                                                       => ( setukpairIR
                                                                                         => ( kpairiskpair
                                                                                           => ( kpairp
                                                                                             => ( singletonsubset
                                                                                               => ( singletoninpowerset
                                                                                                 => ( singletoninpowunion
                                                                                                   => ( upairset2E
                                                                                                     => ( upairsubunion
                                                                                                       => ( upairinpowunion
                                                                                                         => ( ubforcartprodlem1
                                                                                                           => ( ubforcartprodlem2
                                                                                                             => ( ubforcartprodlem3
                                                                                                               => ( cartprodpairin
                                                                                                                 => ( cartprodmempair1
                                                                                                                   => ( cartprodmempair
                                                                                                                     => ( setunionE2
                                                                                                                       => ( setunionsingleton1
                                                                                                                         => ( setunionsingleton2
                                                                                                                           => ( setunionsingleton
                                                                                                                             => ( singletonprop
                                                                                                                               => ( ex1E1
                                                                                                                                 => ( ex1I
                                                                                                                                   => ( ex1I2
                                                                                                                                     => ( singletonsuniq
                                                                                                                                       => ( setukpairinjL1
                                                                                                                                         => ( kfstsingleton
                                                                                                                                           => ( theprop
                                                                                                                                             => ( kfstpairEq
                                                                                                                                               => ( cartprodfstin
                                                                                                                                                 => ( setukpairinjL2
                                                                                                                                                   => ( setukpairinjL
                                                                                                                                                     => ( setukpairinjR11
                                                                                                                                                       => ( setukpairinjR12
                                                                                                                                                         => ( setukpairinjR1
                                                                                                                                                           => ( upairequniteq
                                                                                                                                                             => ( setukpairinjR2
                                                                                                                                                               => ( setukpairinjR
                                                                                                                                                                 => ( ksndsingleton
                                                                                                                                                                   => ( ksndpairEq
                                                                                                                                                                     => ( kpairsurjEq
                                                                                                                                                                       => ( cartprodsndin
                                                                                                                                                                         => ( cartprodpairmemEL
                                                                                                                                                                           => ( cartprodpairmemER
                                                                                                                                                                             => ( cartprodmempaircEq
                                                                                                                                                                               => ( cartprodfstpairEq
                                                                                                                                                                                 => ( cartprodsndpairEq
                                                                                                                                                                                   => ( cartprodpairsurjEq
                                                                                                                                                                                     => ( dpsetconstrI
                                                                                                                                                                                       => ( dpsetconstrSub
                                                                                                                                                                                         => ( setOfPairsIsBReln
                                                                                                                                                                                           => ( dpsetconstrERa
                                                                                                                                                                                             => ( dpsetconstrEL1
                                                                                                                                                                                               => ( dpsetconstrEL2
                                                                                                                                                                                                 => ( dpsetconstrER
                                                                                                                                                                                                   => ( funcImageSingleton
                                                                                                                                                                                                     => ( apProp
                                                                                                                                                                                                       => ( app
                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                        ( ( in @ Y0
                                                                                                                                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                ( ( !! @ $i
                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                                                                                                                                            ( ( in @ Y5
                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                       => ( ( !! @ $i
                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                      ( ( in @ Y4
                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4859]) ).

thf(f4865,plain,
    ( ( powersetE1
     => ( inPowerset
       => ( powersetsubset
         => ( sepInPowerset
           => ( sepSubset
             => ( binunionIL
               => ( upairset2IR
                 => ( binunionIR
                   => ( binunionEcases
                     => ( binunionE
                       => ( binunionLsub
                         => ( binunionRsub
                           => ( binintersectI
                             => ( binintersectSubset5
                               => ( binintersectEL
                                 => ( binintersectLsub
                                   => ( binintersectSubset2
                                     => ( binintersectSubset3
                                       => ( binintersectER
                                         => ( disjointsetsI1
                                           => ( binintersectRsub
                                             => ( binintersectSubset4
                                               => ( binintersectSubset1
                                                 => ( bs114d
                                                   => ( setminusI
                                                     => ( setminusEL
                                                       => ( setminusER
                                                         => ( setminusSubset2
                                                           => ( setminusERneg
                                                             => ( setminusELneg
                                                               => ( setminusILneg
                                                                 => ( setminusIRneg
                                                                   => ( setminusLsub
                                                                     => ( setminusSubset1
                                                                       => ( symdiffE
                                                                         => ( symdiffI1
                                                                           => ( symdiffI2
                                                                             => ( symdiffIneg1
                                                                               => ( symdiffIneg2
                                                                                 => ( secondinupair
                                                                                   => ( setukpairIL
                                                                                     => ( setukpairIR
                                                                                       => ( kpairiskpair
                                                                                         => ( kpairp
                                                                                           => ( singletonsubset
                                                                                             => ( singletoninpowerset
                                                                                               => ( singletoninpowunion
                                                                                                 => ( upairset2E
                                                                                                   => ( upairsubunion
                                                                                                     => ( upairinpowunion
                                                                                                       => ( ubforcartprodlem1
                                                                                                         => ( ubforcartprodlem2
                                                                                                           => ( ubforcartprodlem3
                                                                                                             => ( cartprodpairin
                                                                                                               => ( cartprodmempair1
                                                                                                                 => ( cartprodmempair
                                                                                                                   => ( setunionE2
                                                                                                                     => ( setunionsingleton1
                                                                                                                       => ( setunionsingleton2
                                                                                                                         => ( setunionsingleton
                                                                                                                           => ( singletonprop
                                                                                                                             => ( ex1E1
                                                                                                                               => ( ex1I
                                                                                                                                 => ( ex1I2
                                                                                                                                   => ( singletonsuniq
                                                                                                                                     => ( setukpairinjL1
                                                                                                                                       => ( kfstsingleton
                                                                                                                                         => ( theprop
                                                                                                                                           => ( kfstpairEq
                                                                                                                                             => ( cartprodfstin
                                                                                                                                               => ( setukpairinjL2
                                                                                                                                                 => ( setukpairinjL
                                                                                                                                                   => ( setukpairinjR11
                                                                                                                                                     => ( setukpairinjR12
                                                                                                                                                       => ( setukpairinjR1
                                                                                                                                                         => ( upairequniteq
                                                                                                                                                           => ( setukpairinjR2
                                                                                                                                                             => ( setukpairinjR
                                                                                                                                                               => ( ksndsingleton
                                                                                                                                                                 => ( ksndpairEq
                                                                                                                                                                   => ( kpairsurjEq
                                                                                                                                                                     => ( cartprodsndin
                                                                                                                                                                       => ( cartprodpairmemEL
                                                                                                                                                                         => ( cartprodpairmemER
                                                                                                                                                                           => ( cartprodmempaircEq
                                                                                                                                                                             => ( cartprodfstpairEq
                                                                                                                                                                               => ( cartprodsndpairEq
                                                                                                                                                                                 => ( cartprodpairsurjEq
                                                                                                                                                                                   => ( dpsetconstrI
                                                                                                                                                                                     => ( dpsetconstrSub
                                                                                                                                                                                       => ( setOfPairsIsBReln
                                                                                                                                                                                         => ( dpsetconstrERa
                                                                                                                                                                                           => ( dpsetconstrEL1
                                                                                                                                                                                             => ( dpsetconstrEL2
                                                                                                                                                                                               => ( dpsetconstrER
                                                                                                                                                                                                 => ( funcImageSingleton
                                                                                                                                                                                                   => ( apProp
                                                                                                                                                                                                     => ( app
                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                      ( ( in @ Y0
                                                                                                                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                              ( ( !! @ $i
                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                                                                                                                          ( ( in @ Y5
                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                     => ( ( !! @ $i
                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                                    ( ( in @ Y4
                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4861]) ).

thf(f4868,plain,
    ( ( inPowerset
     => ( powersetsubset
       => ( sepInPowerset
         => ( sepSubset
           => ( binunionIL
             => ( upairset2IR
               => ( binunionIR
                 => ( binunionEcases
                   => ( binunionE
                     => ( binunionLsub
                       => ( binunionRsub
                         => ( binintersectI
                           => ( binintersectSubset5
                             => ( binintersectEL
                               => ( binintersectLsub
                                 => ( binintersectSubset2
                                   => ( binintersectSubset3
                                     => ( binintersectER
                                       => ( disjointsetsI1
                                         => ( binintersectRsub
                                           => ( binintersectSubset4
                                             => ( binintersectSubset1
                                               => ( bs114d
                                                 => ( setminusI
                                                   => ( setminusEL
                                                     => ( setminusER
                                                       => ( setminusSubset2
                                                         => ( setminusERneg
                                                           => ( setminusELneg
                                                             => ( setminusILneg
                                                               => ( setminusIRneg
                                                                 => ( setminusLsub
                                                                   => ( setminusSubset1
                                                                     => ( symdiffE
                                                                       => ( symdiffI1
                                                                         => ( symdiffI2
                                                                           => ( symdiffIneg1
                                                                             => ( symdiffIneg2
                                                                               => ( secondinupair
                                                                                 => ( setukpairIL
                                                                                   => ( setukpairIR
                                                                                     => ( kpairiskpair
                                                                                       => ( kpairp
                                                                                         => ( singletonsubset
                                                                                           => ( singletoninpowerset
                                                                                             => ( singletoninpowunion
                                                                                               => ( upairset2E
                                                                                                 => ( upairsubunion
                                                                                                   => ( upairinpowunion
                                                                                                     => ( ubforcartprodlem1
                                                                                                       => ( ubforcartprodlem2
                                                                                                         => ( ubforcartprodlem3
                                                                                                           => ( cartprodpairin
                                                                                                             => ( cartprodmempair1
                                                                                                               => ( cartprodmempair
                                                                                                                 => ( setunionE2
                                                                                                                   => ( setunionsingleton1
                                                                                                                     => ( setunionsingleton2
                                                                                                                       => ( setunionsingleton
                                                                                                                         => ( singletonprop
                                                                                                                           => ( ex1E1
                                                                                                                             => ( ex1I
                                                                                                                               => ( ex1I2
                                                                                                                                 => ( singletonsuniq
                                                                                                                                   => ( setukpairinjL1
                                                                                                                                     => ( kfstsingleton
                                                                                                                                       => ( theprop
                                                                                                                                         => ( kfstpairEq
                                                                                                                                           => ( cartprodfstin
                                                                                                                                             => ( setukpairinjL2
                                                                                                                                               => ( setukpairinjL
                                                                                                                                                 => ( setukpairinjR11
                                                                                                                                                   => ( setukpairinjR12
                                                                                                                                                     => ( setukpairinjR1
                                                                                                                                                       => ( upairequniteq
                                                                                                                                                         => ( setukpairinjR2
                                                                                                                                                           => ( setukpairinjR
                                                                                                                                                             => ( ksndsingleton
                                                                                                                                                               => ( ksndpairEq
                                                                                                                                                                 => ( kpairsurjEq
                                                                                                                                                                   => ( cartprodsndin
                                                                                                                                                                     => ( cartprodpairmemEL
                                                                                                                                                                       => ( cartprodpairmemER
                                                                                                                                                                         => ( cartprodmempaircEq
                                                                                                                                                                           => ( cartprodfstpairEq
                                                                                                                                                                             => ( cartprodsndpairEq
                                                                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                                                                 => ( dpsetconstrI
                                                                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                                                                             => ( dpsetconstrER
                                                                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                                                                 => ( apProp
                                                                                                                                                                                                   => ( app
                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                    ( ( in @ Y0
                                                                                                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                            ( ( !! @ $i
                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                                                                                                                        ( ( in @ Y5
                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                   => ( ( !! @ $i
                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                  ( ( in @ Y4
                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4865]) ).

thf(f4870,plain,
    ( ( powersetsubset
     => ( sepInPowerset
       => ( sepSubset
         => ( binunionIL
           => ( upairset2IR
             => ( binunionIR
               => ( binunionEcases
                 => ( binunionE
                   => ( binunionLsub
                     => ( binunionRsub
                       => ( binintersectI
                         => ( binintersectSubset5
                           => ( binintersectEL
                             => ( binintersectLsub
                               => ( binintersectSubset2
                                 => ( binintersectSubset3
                                   => ( binintersectER
                                     => ( disjointsetsI1
                                       => ( binintersectRsub
                                         => ( binintersectSubset4
                                           => ( binintersectSubset1
                                             => ( bs114d
                                               => ( setminusI
                                                 => ( setminusEL
                                                   => ( setminusER
                                                     => ( setminusSubset2
                                                       => ( setminusERneg
                                                         => ( setminusELneg
                                                           => ( setminusILneg
                                                             => ( setminusIRneg
                                                               => ( setminusLsub
                                                                 => ( setminusSubset1
                                                                   => ( symdiffE
                                                                     => ( symdiffI1
                                                                       => ( symdiffI2
                                                                         => ( symdiffIneg1
                                                                           => ( symdiffIneg2
                                                                             => ( secondinupair
                                                                               => ( setukpairIL
                                                                                 => ( setukpairIR
                                                                                   => ( kpairiskpair
                                                                                     => ( kpairp
                                                                                       => ( singletonsubset
                                                                                         => ( singletoninpowerset
                                                                                           => ( singletoninpowunion
                                                                                             => ( upairset2E
                                                                                               => ( upairsubunion
                                                                                                 => ( upairinpowunion
                                                                                                   => ( ubforcartprodlem1
                                                                                                     => ( ubforcartprodlem2
                                                                                                       => ( ubforcartprodlem3
                                                                                                         => ( cartprodpairin
                                                                                                           => ( cartprodmempair1
                                                                                                             => ( cartprodmempair
                                                                                                               => ( setunionE2
                                                                                                                 => ( setunionsingleton1
                                                                                                                   => ( setunionsingleton2
                                                                                                                     => ( setunionsingleton
                                                                                                                       => ( singletonprop
                                                                                                                         => ( ex1E1
                                                                                                                           => ( ex1I
                                                                                                                             => ( ex1I2
                                                                                                                               => ( singletonsuniq
                                                                                                                                 => ( setukpairinjL1
                                                                                                                                   => ( kfstsingleton
                                                                                                                                     => ( theprop
                                                                                                                                       => ( kfstpairEq
                                                                                                                                         => ( cartprodfstin
                                                                                                                                           => ( setukpairinjL2
                                                                                                                                             => ( setukpairinjL
                                                                                                                                               => ( setukpairinjR11
                                                                                                                                                 => ( setukpairinjR12
                                                                                                                                                   => ( setukpairinjR1
                                                                                                                                                     => ( upairequniteq
                                                                                                                                                       => ( setukpairinjR2
                                                                                                                                                         => ( setukpairinjR
                                                                                                                                                           => ( ksndsingleton
                                                                                                                                                             => ( ksndpairEq
                                                                                                                                                               => ( kpairsurjEq
                                                                                                                                                                 => ( cartprodsndin
                                                                                                                                                                   => ( cartprodpairmemEL
                                                                                                                                                                     => ( cartprodpairmemER
                                                                                                                                                                       => ( cartprodmempaircEq
                                                                                                                                                                         => ( cartprodfstpairEq
                                                                                                                                                                           => ( cartprodsndpairEq
                                                                                                                                                                             => ( cartprodpairsurjEq
                                                                                                                                                                               => ( dpsetconstrI
                                                                                                                                                                                 => ( dpsetconstrSub
                                                                                                                                                                                   => ( setOfPairsIsBReln
                                                                                                                                                                                     => ( dpsetconstrERa
                                                                                                                                                                                       => ( dpsetconstrEL1
                                                                                                                                                                                         => ( dpsetconstrEL2
                                                                                                                                                                                           => ( dpsetconstrER
                                                                                                                                                                                             => ( funcImageSingleton
                                                                                                                                                                                               => ( apProp
                                                                                                                                                                                                 => ( app
                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                  ( ( in @ Y0
                                                                                                                                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                          ( ( !! @ $i
                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                                                                                                                                      ( ( in @ Y5
                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                 => ( ( !! @ $i
                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                ( ( in @ Y4
                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4868]) ).

thf(f4873,plain,
    ( $false
    = ( sepInPowerset
     => ( sepSubset
       => ( binunionIL
         => ( upairset2IR
           => ( binunionIR
             => ( binunionEcases
               => ( binunionE
                 => ( binunionLsub
                   => ( binunionRsub
                     => ( binintersectI
                       => ( binintersectSubset5
                         => ( binintersectEL
                           => ( binintersectLsub
                             => ( binintersectSubset2
                               => ( binintersectSubset3
                                 => ( binintersectER
                                   => ( disjointsetsI1
                                     => ( binintersectRsub
                                       => ( binintersectSubset4
                                         => ( binintersectSubset1
                                           => ( bs114d
                                             => ( setminusI
                                               => ( setminusEL
                                                 => ( setminusER
                                                   => ( setminusSubset2
                                                     => ( setminusERneg
                                                       => ( setminusELneg
                                                         => ( setminusILneg
                                                           => ( setminusIRneg
                                                             => ( setminusLsub
                                                               => ( setminusSubset1
                                                                 => ( symdiffE
                                                                   => ( symdiffI1
                                                                     => ( symdiffI2
                                                                       => ( symdiffIneg1
                                                                         => ( symdiffIneg2
                                                                           => ( secondinupair
                                                                             => ( setukpairIL
                                                                               => ( setukpairIR
                                                                                 => ( kpairiskpair
                                                                                   => ( kpairp
                                                                                     => ( singletonsubset
                                                                                       => ( singletoninpowerset
                                                                                         => ( singletoninpowunion
                                                                                           => ( upairset2E
                                                                                             => ( upairsubunion
                                                                                               => ( upairinpowunion
                                                                                                 => ( ubforcartprodlem1
                                                                                                   => ( ubforcartprodlem2
                                                                                                     => ( ubforcartprodlem3
                                                                                                       => ( cartprodpairin
                                                                                                         => ( cartprodmempair1
                                                                                                           => ( cartprodmempair
                                                                                                             => ( setunionE2
                                                                                                               => ( setunionsingleton1
                                                                                                                 => ( setunionsingleton2
                                                                                                                   => ( setunionsingleton
                                                                                                                     => ( singletonprop
                                                                                                                       => ( ex1E1
                                                                                                                         => ( ex1I
                                                                                                                           => ( ex1I2
                                                                                                                             => ( singletonsuniq
                                                                                                                               => ( setukpairinjL1
                                                                                                                                 => ( kfstsingleton
                                                                                                                                   => ( theprop
                                                                                                                                     => ( kfstpairEq
                                                                                                                                       => ( cartprodfstin
                                                                                                                                         => ( setukpairinjL2
                                                                                                                                           => ( setukpairinjL
                                                                                                                                             => ( setukpairinjR11
                                                                                                                                               => ( setukpairinjR12
                                                                                                                                                 => ( setukpairinjR1
                                                                                                                                                   => ( upairequniteq
                                                                                                                                                     => ( setukpairinjR2
                                                                                                                                                       => ( setukpairinjR
                                                                                                                                                         => ( ksndsingleton
                                                                                                                                                           => ( ksndpairEq
                                                                                                                                                             => ( kpairsurjEq
                                                                                                                                                               => ( cartprodsndin
                                                                                                                                                                 => ( cartprodpairmemEL
                                                                                                                                                                   => ( cartprodpairmemER
                                                                                                                                                                     => ( cartprodmempaircEq
                                                                                                                                                                       => ( cartprodfstpairEq
                                                                                                                                                                         => ( cartprodsndpairEq
                                                                                                                                                                           => ( cartprodpairsurjEq
                                                                                                                                                                             => ( dpsetconstrI
                                                                                                                                                                               => ( dpsetconstrSub
                                                                                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                                                                                   => ( dpsetconstrERa
                                                                                                                                                                                     => ( dpsetconstrEL1
                                                                                                                                                                                       => ( dpsetconstrEL2
                                                                                                                                                                                         => ( dpsetconstrER
                                                                                                                                                                                           => ( funcImageSingleton
                                                                                                                                                                                             => ( apProp
                                                                                                                                                                                               => ( app
                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                ( ( in @ Y0
                                                                                                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                        ( ( !! @ $i
                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                               => ( ( !! @ $i
                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4870]) ).

thf(f4876,plain,
    ( $false
    = ( sepSubset
     => ( binunionIL
       => ( upairset2IR
         => ( binunionIR
           => ( binunionEcases
             => ( binunionE
               => ( binunionLsub
                 => ( binunionRsub
                   => ( binintersectI
                     => ( binintersectSubset5
                       => ( binintersectEL
                         => ( binintersectLsub
                           => ( binintersectSubset2
                             => ( binintersectSubset3
                               => ( binintersectER
                                 => ( disjointsetsI1
                                   => ( binintersectRsub
                                     => ( binintersectSubset4
                                       => ( binintersectSubset1
                                         => ( bs114d
                                           => ( setminusI
                                             => ( setminusEL
                                               => ( setminusER
                                                 => ( setminusSubset2
                                                   => ( setminusERneg
                                                     => ( setminusELneg
                                                       => ( setminusILneg
                                                         => ( setminusIRneg
                                                           => ( setminusLsub
                                                             => ( setminusSubset1
                                                               => ( symdiffE
                                                                 => ( symdiffI1
                                                                   => ( symdiffI2
                                                                     => ( symdiffIneg1
                                                                       => ( symdiffIneg2
                                                                         => ( secondinupair
                                                                           => ( setukpairIL
                                                                             => ( setukpairIR
                                                                               => ( kpairiskpair
                                                                                 => ( kpairp
                                                                                   => ( singletonsubset
                                                                                     => ( singletoninpowerset
                                                                                       => ( singletoninpowunion
                                                                                         => ( upairset2E
                                                                                           => ( upairsubunion
                                                                                             => ( upairinpowunion
                                                                                               => ( ubforcartprodlem1
                                                                                                 => ( ubforcartprodlem2
                                                                                                   => ( ubforcartprodlem3
                                                                                                     => ( cartprodpairin
                                                                                                       => ( cartprodmempair1
                                                                                                         => ( cartprodmempair
                                                                                                           => ( setunionE2
                                                                                                             => ( setunionsingleton1
                                                                                                               => ( setunionsingleton2
                                                                                                                 => ( setunionsingleton
                                                                                                                   => ( singletonprop
                                                                                                                     => ( ex1E1
                                                                                                                       => ( ex1I
                                                                                                                         => ( ex1I2
                                                                                                                           => ( singletonsuniq
                                                                                                                             => ( setukpairinjL1
                                                                                                                               => ( kfstsingleton
                                                                                                                                 => ( theprop
                                                                                                                                   => ( kfstpairEq
                                                                                                                                     => ( cartprodfstin
                                                                                                                                       => ( setukpairinjL2
                                                                                                                                         => ( setukpairinjL
                                                                                                                                           => ( setukpairinjR11
                                                                                                                                             => ( setukpairinjR12
                                                                                                                                               => ( setukpairinjR1
                                                                                                                                                 => ( upairequniteq
                                                                                                                                                   => ( setukpairinjR2
                                                                                                                                                     => ( setukpairinjR
                                                                                                                                                       => ( ksndsingleton
                                                                                                                                                         => ( ksndpairEq
                                                                                                                                                           => ( kpairsurjEq
                                                                                                                                                             => ( cartprodsndin
                                                                                                                                                               => ( cartprodpairmemEL
                                                                                                                                                                 => ( cartprodpairmemER
                                                                                                                                                                   => ( cartprodmempaircEq
                                                                                                                                                                     => ( cartprodfstpairEq
                                                                                                                                                                       => ( cartprodsndpairEq
                                                                                                                                                                         => ( cartprodpairsurjEq
                                                                                                                                                                           => ( dpsetconstrI
                                                                                                                                                                             => ( dpsetconstrSub
                                                                                                                                                                               => ( setOfPairsIsBReln
                                                                                                                                                                                 => ( dpsetconstrERa
                                                                                                                                                                                   => ( dpsetconstrEL1
                                                                                                                                                                                     => ( dpsetconstrEL2
                                                                                                                                                                                       => ( dpsetconstrER
                                                                                                                                                                                         => ( funcImageSingleton
                                                                                                                                                                                           => ( apProp
                                                                                                                                                                                             => ( app
                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                              ( ( in @ Y0
                                                                                                                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                      ( ( !! @ $i
                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                                                                                                                  ( ( in @ Y5
                                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                             => ( ( !! @ $i
                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                            ( ( in @ Y4
                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4873]) ).

thf(f4879,plain,
    ( $false
    = ( binunionIL
     => ( upairset2IR
       => ( binunionIR
         => ( binunionEcases
           => ( binunionE
             => ( binunionLsub
               => ( binunionRsub
                 => ( binintersectI
                   => ( binintersectSubset5
                     => ( binintersectEL
                       => ( binintersectLsub
                         => ( binintersectSubset2
                           => ( binintersectSubset3
                             => ( binintersectER
                               => ( disjointsetsI1
                                 => ( binintersectRsub
                                   => ( binintersectSubset4
                                     => ( binintersectSubset1
                                       => ( bs114d
                                         => ( setminusI
                                           => ( setminusEL
                                             => ( setminusER
                                               => ( setminusSubset2
                                                 => ( setminusERneg
                                                   => ( setminusELneg
                                                     => ( setminusILneg
                                                       => ( setminusIRneg
                                                         => ( setminusLsub
                                                           => ( setminusSubset1
                                                             => ( symdiffE
                                                               => ( symdiffI1
                                                                 => ( symdiffI2
                                                                   => ( symdiffIneg1
                                                                     => ( symdiffIneg2
                                                                       => ( secondinupair
                                                                         => ( setukpairIL
                                                                           => ( setukpairIR
                                                                             => ( kpairiskpair
                                                                               => ( kpairp
                                                                                 => ( singletonsubset
                                                                                   => ( singletoninpowerset
                                                                                     => ( singletoninpowunion
                                                                                       => ( upairset2E
                                                                                         => ( upairsubunion
                                                                                           => ( upairinpowunion
                                                                                             => ( ubforcartprodlem1
                                                                                               => ( ubforcartprodlem2
                                                                                                 => ( ubforcartprodlem3
                                                                                                   => ( cartprodpairin
                                                                                                     => ( cartprodmempair1
                                                                                                       => ( cartprodmempair
                                                                                                         => ( setunionE2
                                                                                                           => ( setunionsingleton1
                                                                                                             => ( setunionsingleton2
                                                                                                               => ( setunionsingleton
                                                                                                                 => ( singletonprop
                                                                                                                   => ( ex1E1
                                                                                                                     => ( ex1I
                                                                                                                       => ( ex1I2
                                                                                                                         => ( singletonsuniq
                                                                                                                           => ( setukpairinjL1
                                                                                                                             => ( kfstsingleton
                                                                                                                               => ( theprop
                                                                                                                                 => ( kfstpairEq
                                                                                                                                   => ( cartprodfstin
                                                                                                                                     => ( setukpairinjL2
                                                                                                                                       => ( setukpairinjL
                                                                                                                                         => ( setukpairinjR11
                                                                                                                                           => ( setukpairinjR12
                                                                                                                                             => ( setukpairinjR1
                                                                                                                                               => ( upairequniteq
                                                                                                                                                 => ( setukpairinjR2
                                                                                                                                                   => ( setukpairinjR
                                                                                                                                                     => ( ksndsingleton
                                                                                                                                                       => ( ksndpairEq
                                                                                                                                                         => ( kpairsurjEq
                                                                                                                                                           => ( cartprodsndin
                                                                                                                                                             => ( cartprodpairmemEL
                                                                                                                                                               => ( cartprodpairmemER
                                                                                                                                                                 => ( cartprodmempaircEq
                                                                                                                                                                   => ( cartprodfstpairEq
                                                                                                                                                                     => ( cartprodsndpairEq
                                                                                                                                                                       => ( cartprodpairsurjEq
                                                                                                                                                                         => ( dpsetconstrI
                                                                                                                                                                           => ( dpsetconstrSub
                                                                                                                                                                             => ( setOfPairsIsBReln
                                                                                                                                                                               => ( dpsetconstrERa
                                                                                                                                                                                 => ( dpsetconstrEL1
                                                                                                                                                                                   => ( dpsetconstrEL2
                                                                                                                                                                                     => ( dpsetconstrER
                                                                                                                                                                                       => ( funcImageSingleton
                                                                                                                                                                                         => ( apProp
                                                                                                                                                                                           => ( app
                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                            ( ( in @ Y0
                                                                                                                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                    ( ( !! @ $i
                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                                                                                                ( ( in @ Y5
                                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                           => ( ( !! @ $i
                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                          ( ( in @ Y4
                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4876]) ).

thf(f4882,plain,
    ( $false
    = ( upairset2IR
     => ( binunionIR
       => ( binunionEcases
         => ( binunionE
           => ( binunionLsub
             => ( binunionRsub
               => ( binintersectI
                 => ( binintersectSubset5
                   => ( binintersectEL
                     => ( binintersectLsub
                       => ( binintersectSubset2
                         => ( binintersectSubset3
                           => ( binintersectER
                             => ( disjointsetsI1
                               => ( binintersectRsub
                                 => ( binintersectSubset4
                                   => ( binintersectSubset1
                                     => ( bs114d
                                       => ( setminusI
                                         => ( setminusEL
                                           => ( setminusER
                                             => ( setminusSubset2
                                               => ( setminusERneg
                                                 => ( setminusELneg
                                                   => ( setminusILneg
                                                     => ( setminusIRneg
                                                       => ( setminusLsub
                                                         => ( setminusSubset1
                                                           => ( symdiffE
                                                             => ( symdiffI1
                                                               => ( symdiffI2
                                                                 => ( symdiffIneg1
                                                                   => ( symdiffIneg2
                                                                     => ( secondinupair
                                                                       => ( setukpairIL
                                                                         => ( setukpairIR
                                                                           => ( kpairiskpair
                                                                             => ( kpairp
                                                                               => ( singletonsubset
                                                                                 => ( singletoninpowerset
                                                                                   => ( singletoninpowunion
                                                                                     => ( upairset2E
                                                                                       => ( upairsubunion
                                                                                         => ( upairinpowunion
                                                                                           => ( ubforcartprodlem1
                                                                                             => ( ubforcartprodlem2
                                                                                               => ( ubforcartprodlem3
                                                                                                 => ( cartprodpairin
                                                                                                   => ( cartprodmempair1
                                                                                                     => ( cartprodmempair
                                                                                                       => ( setunionE2
                                                                                                         => ( setunionsingleton1
                                                                                                           => ( setunionsingleton2
                                                                                                             => ( setunionsingleton
                                                                                                               => ( singletonprop
                                                                                                                 => ( ex1E1
                                                                                                                   => ( ex1I
                                                                                                                     => ( ex1I2
                                                                                                                       => ( singletonsuniq
                                                                                                                         => ( setukpairinjL1
                                                                                                                           => ( kfstsingleton
                                                                                                                             => ( theprop
                                                                                                                               => ( kfstpairEq
                                                                                                                                 => ( cartprodfstin
                                                                                                                                   => ( setukpairinjL2
                                                                                                                                     => ( setukpairinjL
                                                                                                                                       => ( setukpairinjR11
                                                                                                                                         => ( setukpairinjR12
                                                                                                                                           => ( setukpairinjR1
                                                                                                                                             => ( upairequniteq
                                                                                                                                               => ( setukpairinjR2
                                                                                                                                                 => ( setukpairinjR
                                                                                                                                                   => ( ksndsingleton
                                                                                                                                                     => ( ksndpairEq
                                                                                                                                                       => ( kpairsurjEq
                                                                                                                                                         => ( cartprodsndin
                                                                                                                                                           => ( cartprodpairmemEL
                                                                                                                                                             => ( cartprodpairmemER
                                                                                                                                                               => ( cartprodmempaircEq
                                                                                                                                                                 => ( cartprodfstpairEq
                                                                                                                                                                   => ( cartprodsndpairEq
                                                                                                                                                                     => ( cartprodpairsurjEq
                                                                                                                                                                       => ( dpsetconstrI
                                                                                                                                                                         => ( dpsetconstrSub
                                                                                                                                                                           => ( setOfPairsIsBReln
                                                                                                                                                                             => ( dpsetconstrERa
                                                                                                                                                                               => ( dpsetconstrEL1
                                                                                                                                                                                 => ( dpsetconstrEL2
                                                                                                                                                                                   => ( dpsetconstrER
                                                                                                                                                                                     => ( funcImageSingleton
                                                                                                                                                                                       => ( apProp
                                                                                                                                                                                         => ( app
                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                          ( ( in @ Y0
                                                                                                                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                  ( ( !! @ $i
                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                                                                                                                              ( ( in @ Y5
                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                         => ( ( !! @ $i
                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                        ( ( in @ Y4
                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4879]) ).

thf(f4885,plain,
    ( $false
    = ( binunionIR
     => ( binunionEcases
       => ( binunionE
         => ( binunionLsub
           => ( binunionRsub
             => ( binintersectI
               => ( binintersectSubset5
                 => ( binintersectEL
                   => ( binintersectLsub
                     => ( binintersectSubset2
                       => ( binintersectSubset3
                         => ( binintersectER
                           => ( disjointsetsI1
                             => ( binintersectRsub
                               => ( binintersectSubset4
                                 => ( binintersectSubset1
                                   => ( bs114d
                                     => ( setminusI
                                       => ( setminusEL
                                         => ( setminusER
                                           => ( setminusSubset2
                                             => ( setminusERneg
                                               => ( setminusELneg
                                                 => ( setminusILneg
                                                   => ( setminusIRneg
                                                     => ( setminusLsub
                                                       => ( setminusSubset1
                                                         => ( symdiffE
                                                           => ( symdiffI1
                                                             => ( symdiffI2
                                                               => ( symdiffIneg1
                                                                 => ( symdiffIneg2
                                                                   => ( secondinupair
                                                                     => ( setukpairIL
                                                                       => ( setukpairIR
                                                                         => ( kpairiskpair
                                                                           => ( kpairp
                                                                             => ( singletonsubset
                                                                               => ( singletoninpowerset
                                                                                 => ( singletoninpowunion
                                                                                   => ( upairset2E
                                                                                     => ( upairsubunion
                                                                                       => ( upairinpowunion
                                                                                         => ( ubforcartprodlem1
                                                                                           => ( ubforcartprodlem2
                                                                                             => ( ubforcartprodlem3
                                                                                               => ( cartprodpairin
                                                                                                 => ( cartprodmempair1
                                                                                                   => ( cartprodmempair
                                                                                                     => ( setunionE2
                                                                                                       => ( setunionsingleton1
                                                                                                         => ( setunionsingleton2
                                                                                                           => ( setunionsingleton
                                                                                                             => ( singletonprop
                                                                                                               => ( ex1E1
                                                                                                                 => ( ex1I
                                                                                                                   => ( ex1I2
                                                                                                                     => ( singletonsuniq
                                                                                                                       => ( setukpairinjL1
                                                                                                                         => ( kfstsingleton
                                                                                                                           => ( theprop
                                                                                                                             => ( kfstpairEq
                                                                                                                               => ( cartprodfstin
                                                                                                                                 => ( setukpairinjL2
                                                                                                                                   => ( setukpairinjL
                                                                                                                                     => ( setukpairinjR11
                                                                                                                                       => ( setukpairinjR12
                                                                                                                                         => ( setukpairinjR1
                                                                                                                                           => ( upairequniteq
                                                                                                                                             => ( setukpairinjR2
                                                                                                                                               => ( setukpairinjR
                                                                                                                                                 => ( ksndsingleton
                                                                                                                                                   => ( ksndpairEq
                                                                                                                                                     => ( kpairsurjEq
                                                                                                                                                       => ( cartprodsndin
                                                                                                                                                         => ( cartprodpairmemEL
                                                                                                                                                           => ( cartprodpairmemER
                                                                                                                                                             => ( cartprodmempaircEq
                                                                                                                                                               => ( cartprodfstpairEq
                                                                                                                                                                 => ( cartprodsndpairEq
                                                                                                                                                                   => ( cartprodpairsurjEq
                                                                                                                                                                     => ( dpsetconstrI
                                                                                                                                                                       => ( dpsetconstrSub
                                                                                                                                                                         => ( setOfPairsIsBReln
                                                                                                                                                                           => ( dpsetconstrERa
                                                                                                                                                                             => ( dpsetconstrEL1
                                                                                                                                                                               => ( dpsetconstrEL2
                                                                                                                                                                                 => ( dpsetconstrER
                                                                                                                                                                                   => ( funcImageSingleton
                                                                                                                                                                                     => ( apProp
                                                                                                                                                                                       => ( app
                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                        ( ( in @ Y0
                                                                                                                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                ( ( !! @ $i
                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                                                                                                                            ( ( in @ Y5
                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                       => ( ( !! @ $i
                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                      ( ( in @ Y4
                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4882]) ).

thf(f4889,plain,
    ( ( binunionEcases
     => ( binunionE
       => ( binunionLsub
         => ( binunionRsub
           => ( binintersectI
             => ( binintersectSubset5
               => ( binintersectEL
                 => ( binintersectLsub
                   => ( binintersectSubset2
                     => ( binintersectSubset3
                       => ( binintersectER
                         => ( disjointsetsI1
                           => ( binintersectRsub
                             => ( binintersectSubset4
                               => ( binintersectSubset1
                                 => ( bs114d
                                   => ( setminusI
                                     => ( setminusEL
                                       => ( setminusER
                                         => ( setminusSubset2
                                           => ( setminusERneg
                                             => ( setminusELneg
                                               => ( setminusILneg
                                                 => ( setminusIRneg
                                                   => ( setminusLsub
                                                     => ( setminusSubset1
                                                       => ( symdiffE
                                                         => ( symdiffI1
                                                           => ( symdiffI2
                                                             => ( symdiffIneg1
                                                               => ( symdiffIneg2
                                                                 => ( secondinupair
                                                                   => ( setukpairIL
                                                                     => ( setukpairIR
                                                                       => ( kpairiskpair
                                                                         => ( kpairp
                                                                           => ( singletonsubset
                                                                             => ( singletoninpowerset
                                                                               => ( singletoninpowunion
                                                                                 => ( upairset2E
                                                                                   => ( upairsubunion
                                                                                     => ( upairinpowunion
                                                                                       => ( ubforcartprodlem1
                                                                                         => ( ubforcartprodlem2
                                                                                           => ( ubforcartprodlem3
                                                                                             => ( cartprodpairin
                                                                                               => ( cartprodmempair1
                                                                                                 => ( cartprodmempair
                                                                                                   => ( setunionE2
                                                                                                     => ( setunionsingleton1
                                                                                                       => ( setunionsingleton2
                                                                                                         => ( setunionsingleton
                                                                                                           => ( singletonprop
                                                                                                             => ( ex1E1
                                                                                                               => ( ex1I
                                                                                                                 => ( ex1I2
                                                                                                                   => ( singletonsuniq
                                                                                                                     => ( setukpairinjL1
                                                                                                                       => ( kfstsingleton
                                                                                                                         => ( theprop
                                                                                                                           => ( kfstpairEq
                                                                                                                             => ( cartprodfstin
                                                                                                                               => ( setukpairinjL2
                                                                                                                                 => ( setukpairinjL
                                                                                                                                   => ( setukpairinjR11
                                                                                                                                     => ( setukpairinjR12
                                                                                                                                       => ( setukpairinjR1
                                                                                                                                         => ( upairequniteq
                                                                                                                                           => ( setukpairinjR2
                                                                                                                                             => ( setukpairinjR
                                                                                                                                               => ( ksndsingleton
                                                                                                                                                 => ( ksndpairEq
                                                                                                                                                   => ( kpairsurjEq
                                                                                                                                                     => ( cartprodsndin
                                                                                                                                                       => ( cartprodpairmemEL
                                                                                                                                                         => ( cartprodpairmemER
                                                                                                                                                           => ( cartprodmempaircEq
                                                                                                                                                             => ( cartprodfstpairEq
                                                                                                                                                               => ( cartprodsndpairEq
                                                                                                                                                                 => ( cartprodpairsurjEq
                                                                                                                                                                   => ( dpsetconstrI
                                                                                                                                                                     => ( dpsetconstrSub
                                                                                                                                                                       => ( setOfPairsIsBReln
                                                                                                                                                                         => ( dpsetconstrERa
                                                                                                                                                                           => ( dpsetconstrEL1
                                                                                                                                                                             => ( dpsetconstrEL2
                                                                                                                                                                               => ( dpsetconstrER
                                                                                                                                                                                 => ( funcImageSingleton
                                                                                                                                                                                   => ( apProp
                                                                                                                                                                                     => ( app
                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                      ( ( in @ Y0
                                                                                                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                              ( ( !! @ $i
                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                                                                                                          ( ( in @ Y5
                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                     => ( ( !! @ $i
                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                                    ( ( in @ Y4
                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4885]) ).

thf(f4891,plain,
    ( ( binunionE
     => ( binunionLsub
       => ( binunionRsub
         => ( binintersectI
           => ( binintersectSubset5
             => ( binintersectEL
               => ( binintersectLsub
                 => ( binintersectSubset2
                   => ( binintersectSubset3
                     => ( binintersectER
                       => ( disjointsetsI1
                         => ( binintersectRsub
                           => ( binintersectSubset4
                             => ( binintersectSubset1
                               => ( bs114d
                                 => ( setminusI
                                   => ( setminusEL
                                     => ( setminusER
                                       => ( setminusSubset2
                                         => ( setminusERneg
                                           => ( setminusELneg
                                             => ( setminusILneg
                                               => ( setminusIRneg
                                                 => ( setminusLsub
                                                   => ( setminusSubset1
                                                     => ( symdiffE
                                                       => ( symdiffI1
                                                         => ( symdiffI2
                                                           => ( symdiffIneg1
                                                             => ( symdiffIneg2
                                                               => ( secondinupair
                                                                 => ( setukpairIL
                                                                   => ( setukpairIR
                                                                     => ( kpairiskpair
                                                                       => ( kpairp
                                                                         => ( singletonsubset
                                                                           => ( singletoninpowerset
                                                                             => ( singletoninpowunion
                                                                               => ( upairset2E
                                                                                 => ( upairsubunion
                                                                                   => ( upairinpowunion
                                                                                     => ( ubforcartprodlem1
                                                                                       => ( ubforcartprodlem2
                                                                                         => ( ubforcartprodlem3
                                                                                           => ( cartprodpairin
                                                                                             => ( cartprodmempair1
                                                                                               => ( cartprodmempair
                                                                                                 => ( setunionE2
                                                                                                   => ( setunionsingleton1
                                                                                                     => ( setunionsingleton2
                                                                                                       => ( setunionsingleton
                                                                                                         => ( singletonprop
                                                                                                           => ( ex1E1
                                                                                                             => ( ex1I
                                                                                                               => ( ex1I2
                                                                                                                 => ( singletonsuniq
                                                                                                                   => ( setukpairinjL1
                                                                                                                     => ( kfstsingleton
                                                                                                                       => ( theprop
                                                                                                                         => ( kfstpairEq
                                                                                                                           => ( cartprodfstin
                                                                                                                             => ( setukpairinjL2
                                                                                                                               => ( setukpairinjL
                                                                                                                                 => ( setukpairinjR11
                                                                                                                                   => ( setukpairinjR12
                                                                                                                                     => ( setukpairinjR1
                                                                                                                                       => ( upairequniteq
                                                                                                                                         => ( setukpairinjR2
                                                                                                                                           => ( setukpairinjR
                                                                                                                                             => ( ksndsingleton
                                                                                                                                               => ( ksndpairEq
                                                                                                                                                 => ( kpairsurjEq
                                                                                                                                                   => ( cartprodsndin
                                                                                                                                                     => ( cartprodpairmemEL
                                                                                                                                                       => ( cartprodpairmemER
                                                                                                                                                         => ( cartprodmempaircEq
                                                                                                                                                           => ( cartprodfstpairEq
                                                                                                                                                             => ( cartprodsndpairEq
                                                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                                                 => ( dpsetconstrI
                                                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                                                             => ( dpsetconstrER
                                                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                                                 => ( apProp
                                                                                                                                                                                   => ( app
                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                    ( ( in @ Y0
                                                                                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                            ( ( !! @ $i
                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                                                                                                        ( ( in @ Y5
                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                   => ( ( !! @ $i
                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                  ( ( in @ Y4
                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4889]) ).

thf(f4895,plain,
    ( ( binunionLsub
     => ( binunionRsub
       => ( binintersectI
         => ( binintersectSubset5
           => ( binintersectEL
             => ( binintersectLsub
               => ( binintersectSubset2
                 => ( binintersectSubset3
                   => ( binintersectER
                     => ( disjointsetsI1
                       => ( binintersectRsub
                         => ( binintersectSubset4
                           => ( binintersectSubset1
                             => ( bs114d
                               => ( setminusI
                                 => ( setminusEL
                                   => ( setminusER
                                     => ( setminusSubset2
                                       => ( setminusERneg
                                         => ( setminusELneg
                                           => ( setminusILneg
                                             => ( setminusIRneg
                                               => ( setminusLsub
                                                 => ( setminusSubset1
                                                   => ( symdiffE
                                                     => ( symdiffI1
                                                       => ( symdiffI2
                                                         => ( symdiffIneg1
                                                           => ( symdiffIneg2
                                                             => ( secondinupair
                                                               => ( setukpairIL
                                                                 => ( setukpairIR
                                                                   => ( kpairiskpair
                                                                     => ( kpairp
                                                                       => ( singletonsubset
                                                                         => ( singletoninpowerset
                                                                           => ( singletoninpowunion
                                                                             => ( upairset2E
                                                                               => ( upairsubunion
                                                                                 => ( upairinpowunion
                                                                                   => ( ubforcartprodlem1
                                                                                     => ( ubforcartprodlem2
                                                                                       => ( ubforcartprodlem3
                                                                                         => ( cartprodpairin
                                                                                           => ( cartprodmempair1
                                                                                             => ( cartprodmempair
                                                                                               => ( setunionE2
                                                                                                 => ( setunionsingleton1
                                                                                                   => ( setunionsingleton2
                                                                                                     => ( setunionsingleton
                                                                                                       => ( singletonprop
                                                                                                         => ( ex1E1
                                                                                                           => ( ex1I
                                                                                                             => ( ex1I2
                                                                                                               => ( singletonsuniq
                                                                                                                 => ( setukpairinjL1
                                                                                                                   => ( kfstsingleton
                                                                                                                     => ( theprop
                                                                                                                       => ( kfstpairEq
                                                                                                                         => ( cartprodfstin
                                                                                                                           => ( setukpairinjL2
                                                                                                                             => ( setukpairinjL
                                                                                                                               => ( setukpairinjR11
                                                                                                                                 => ( setukpairinjR12
                                                                                                                                   => ( setukpairinjR1
                                                                                                                                     => ( upairequniteq
                                                                                                                                       => ( setukpairinjR2
                                                                                                                                         => ( setukpairinjR
                                                                                                                                           => ( ksndsingleton
                                                                                                                                             => ( ksndpairEq
                                                                                                                                               => ( kpairsurjEq
                                                                                                                                                 => ( cartprodsndin
                                                                                                                                                   => ( cartprodpairmemEL
                                                                                                                                                     => ( cartprodpairmemER
                                                                                                                                                       => ( cartprodmempaircEq
                                                                                                                                                         => ( cartprodfstpairEq
                                                                                                                                                           => ( cartprodsndpairEq
                                                                                                                                                             => ( cartprodpairsurjEq
                                                                                                                                                               => ( dpsetconstrI
                                                                                                                                                                 => ( dpsetconstrSub
                                                                                                                                                                   => ( setOfPairsIsBReln
                                                                                                                                                                     => ( dpsetconstrERa
                                                                                                                                                                       => ( dpsetconstrEL1
                                                                                                                                                                         => ( dpsetconstrEL2
                                                                                                                                                                           => ( dpsetconstrER
                                                                                                                                                                             => ( funcImageSingleton
                                                                                                                                                                               => ( apProp
                                                                                                                                                                                 => ( app
                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                  ( ( in @ Y0
                                                                                                                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                          ( ( !! @ $i
                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                                                                                                                      ( ( in @ Y5
                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                 => ( ( !! @ $i
                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                ( ( in @ Y4
                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4891]) ).

thf(f4898,plain,
    ( ( binunionRsub
     => ( binintersectI
       => ( binintersectSubset5
         => ( binintersectEL
           => ( binintersectLsub
             => ( binintersectSubset2
               => ( binintersectSubset3
                 => ( binintersectER
                   => ( disjointsetsI1
                     => ( binintersectRsub
                       => ( binintersectSubset4
                         => ( binintersectSubset1
                           => ( bs114d
                             => ( setminusI
                               => ( setminusEL
                                 => ( setminusER
                                   => ( setminusSubset2
                                     => ( setminusERneg
                                       => ( setminusELneg
                                         => ( setminusILneg
                                           => ( setminusIRneg
                                             => ( setminusLsub
                                               => ( setminusSubset1
                                                 => ( symdiffE
                                                   => ( symdiffI1
                                                     => ( symdiffI2
                                                       => ( symdiffIneg1
                                                         => ( symdiffIneg2
                                                           => ( secondinupair
                                                             => ( setukpairIL
                                                               => ( setukpairIR
                                                                 => ( kpairiskpair
                                                                   => ( kpairp
                                                                     => ( singletonsubset
                                                                       => ( singletoninpowerset
                                                                         => ( singletoninpowunion
                                                                           => ( upairset2E
                                                                             => ( upairsubunion
                                                                               => ( upairinpowunion
                                                                                 => ( ubforcartprodlem1
                                                                                   => ( ubforcartprodlem2
                                                                                     => ( ubforcartprodlem3
                                                                                       => ( cartprodpairin
                                                                                         => ( cartprodmempair1
                                                                                           => ( cartprodmempair
                                                                                             => ( setunionE2
                                                                                               => ( setunionsingleton1
                                                                                                 => ( setunionsingleton2
                                                                                                   => ( setunionsingleton
                                                                                                     => ( singletonprop
                                                                                                       => ( ex1E1
                                                                                                         => ( ex1I
                                                                                                           => ( ex1I2
                                                                                                             => ( singletonsuniq
                                                                                                               => ( setukpairinjL1
                                                                                                                 => ( kfstsingleton
                                                                                                                   => ( theprop
                                                                                                                     => ( kfstpairEq
                                                                                                                       => ( cartprodfstin
                                                                                                                         => ( setukpairinjL2
                                                                                                                           => ( setukpairinjL
                                                                                                                             => ( setukpairinjR11
                                                                                                                               => ( setukpairinjR12
                                                                                                                                 => ( setukpairinjR1
                                                                                                                                   => ( upairequniteq
                                                                                                                                     => ( setukpairinjR2
                                                                                                                                       => ( setukpairinjR
                                                                                                                                         => ( ksndsingleton
                                                                                                                                           => ( ksndpairEq
                                                                                                                                             => ( kpairsurjEq
                                                                                                                                               => ( cartprodsndin
                                                                                                                                                 => ( cartprodpairmemEL
                                                                                                                                                   => ( cartprodpairmemER
                                                                                                                                                     => ( cartprodmempaircEq
                                                                                                                                                       => ( cartprodfstpairEq
                                                                                                                                                         => ( cartprodsndpairEq
                                                                                                                                                           => ( cartprodpairsurjEq
                                                                                                                                                             => ( dpsetconstrI
                                                                                                                                                               => ( dpsetconstrSub
                                                                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                                                                   => ( dpsetconstrERa
                                                                                                                                                                     => ( dpsetconstrEL1
                                                                                                                                                                       => ( dpsetconstrEL2
                                                                                                                                                                         => ( dpsetconstrER
                                                                                                                                                                           => ( funcImageSingleton
                                                                                                                                                                             => ( apProp
                                                                                                                                                                               => ( app
                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                ( ( in @ Y0
                                                                                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                        ( ( !! @ $i
                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                               => ( ( !! @ $i
                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4895]) ).

thf(f4901,plain,
    ( ( binintersectI
     => ( binintersectSubset5
       => ( binintersectEL
         => ( binintersectLsub
           => ( binintersectSubset2
             => ( binintersectSubset3
               => ( binintersectER
                 => ( disjointsetsI1
                   => ( binintersectRsub
                     => ( binintersectSubset4
                       => ( binintersectSubset1
                         => ( bs114d
                           => ( setminusI
                             => ( setminusEL
                               => ( setminusER
                                 => ( setminusSubset2
                                   => ( setminusERneg
                                     => ( setminusELneg
                                       => ( setminusILneg
                                         => ( setminusIRneg
                                           => ( setminusLsub
                                             => ( setminusSubset1
                                               => ( symdiffE
                                                 => ( symdiffI1
                                                   => ( symdiffI2
                                                     => ( symdiffIneg1
                                                       => ( symdiffIneg2
                                                         => ( secondinupair
                                                           => ( setukpairIL
                                                             => ( setukpairIR
                                                               => ( kpairiskpair
                                                                 => ( kpairp
                                                                   => ( singletonsubset
                                                                     => ( singletoninpowerset
                                                                       => ( singletoninpowunion
                                                                         => ( upairset2E
                                                                           => ( upairsubunion
                                                                             => ( upairinpowunion
                                                                               => ( ubforcartprodlem1
                                                                                 => ( ubforcartprodlem2
                                                                                   => ( ubforcartprodlem3
                                                                                     => ( cartprodpairin
                                                                                       => ( cartprodmempair1
                                                                                         => ( cartprodmempair
                                                                                           => ( setunionE2
                                                                                             => ( setunionsingleton1
                                                                                               => ( setunionsingleton2
                                                                                                 => ( setunionsingleton
                                                                                                   => ( singletonprop
                                                                                                     => ( ex1E1
                                                                                                       => ( ex1I
                                                                                                         => ( ex1I2
                                                                                                           => ( singletonsuniq
                                                                                                             => ( setukpairinjL1
                                                                                                               => ( kfstsingleton
                                                                                                                 => ( theprop
                                                                                                                   => ( kfstpairEq
                                                                                                                     => ( cartprodfstin
                                                                                                                       => ( setukpairinjL2
                                                                                                                         => ( setukpairinjL
                                                                                                                           => ( setukpairinjR11
                                                                                                                             => ( setukpairinjR12
                                                                                                                               => ( setukpairinjR1
                                                                                                                                 => ( upairequniteq
                                                                                                                                   => ( setukpairinjR2
                                                                                                                                     => ( setukpairinjR
                                                                                                                                       => ( ksndsingleton
                                                                                                                                         => ( ksndpairEq
                                                                                                                                           => ( kpairsurjEq
                                                                                                                                             => ( cartprodsndin
                                                                                                                                               => ( cartprodpairmemEL
                                                                                                                                                 => ( cartprodpairmemER
                                                                                                                                                   => ( cartprodmempaircEq
                                                                                                                                                     => ( cartprodfstpairEq
                                                                                                                                                       => ( cartprodsndpairEq
                                                                                                                                                         => ( cartprodpairsurjEq
                                                                                                                                                           => ( dpsetconstrI
                                                                                                                                                             => ( dpsetconstrSub
                                                                                                                                                               => ( setOfPairsIsBReln
                                                                                                                                                                 => ( dpsetconstrERa
                                                                                                                                                                   => ( dpsetconstrEL1
                                                                                                                                                                     => ( dpsetconstrEL2
                                                                                                                                                                       => ( dpsetconstrER
                                                                                                                                                                         => ( funcImageSingleton
                                                                                                                                                                           => ( apProp
                                                                                                                                                                             => ( app
                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                              ( ( in @ Y0
                                                                                                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                      ( ( !! @ $i
                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                                                                                                  ( ( in @ Y5
                                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                             => ( ( !! @ $i
                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                            ( ( in @ Y4
                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4898]) ).

thf(f4904,plain,
    ( $false
    = ( binintersectSubset5
     => ( binintersectEL
       => ( binintersectLsub
         => ( binintersectSubset2
           => ( binintersectSubset3
             => ( binintersectER
               => ( disjointsetsI1
                 => ( binintersectRsub
                   => ( binintersectSubset4
                     => ( binintersectSubset1
                       => ( bs114d
                         => ( setminusI
                           => ( setminusEL
                             => ( setminusER
                               => ( setminusSubset2
                                 => ( setminusERneg
                                   => ( setminusELneg
                                     => ( setminusILneg
                                       => ( setminusIRneg
                                         => ( setminusLsub
                                           => ( setminusSubset1
                                             => ( symdiffE
                                               => ( symdiffI1
                                                 => ( symdiffI2
                                                   => ( symdiffIneg1
                                                     => ( symdiffIneg2
                                                       => ( secondinupair
                                                         => ( setukpairIL
                                                           => ( setukpairIR
                                                             => ( kpairiskpair
                                                               => ( kpairp
                                                                 => ( singletonsubset
                                                                   => ( singletoninpowerset
                                                                     => ( singletoninpowunion
                                                                       => ( upairset2E
                                                                         => ( upairsubunion
                                                                           => ( upairinpowunion
                                                                             => ( ubforcartprodlem1
                                                                               => ( ubforcartprodlem2
                                                                                 => ( ubforcartprodlem3
                                                                                   => ( cartprodpairin
                                                                                     => ( cartprodmempair1
                                                                                       => ( cartprodmempair
                                                                                         => ( setunionE2
                                                                                           => ( setunionsingleton1
                                                                                             => ( setunionsingleton2
                                                                                               => ( setunionsingleton
                                                                                                 => ( singletonprop
                                                                                                   => ( ex1E1
                                                                                                     => ( ex1I
                                                                                                       => ( ex1I2
                                                                                                         => ( singletonsuniq
                                                                                                           => ( setukpairinjL1
                                                                                                             => ( kfstsingleton
                                                                                                               => ( theprop
                                                                                                                 => ( kfstpairEq
                                                                                                                   => ( cartprodfstin
                                                                                                                     => ( setukpairinjL2
                                                                                                                       => ( setukpairinjL
                                                                                                                         => ( setukpairinjR11
                                                                                                                           => ( setukpairinjR12
                                                                                                                             => ( setukpairinjR1
                                                                                                                               => ( upairequniteq
                                                                                                                                 => ( setukpairinjR2
                                                                                                                                   => ( setukpairinjR
                                                                                                                                     => ( ksndsingleton
                                                                                                                                       => ( ksndpairEq
                                                                                                                                         => ( kpairsurjEq
                                                                                                                                           => ( cartprodsndin
                                                                                                                                             => ( cartprodpairmemEL
                                                                                                                                               => ( cartprodpairmemER
                                                                                                                                                 => ( cartprodmempaircEq
                                                                                                                                                   => ( cartprodfstpairEq
                                                                                                                                                     => ( cartprodsndpairEq
                                                                                                                                                       => ( cartprodpairsurjEq
                                                                                                                                                         => ( dpsetconstrI
                                                                                                                                                           => ( dpsetconstrSub
                                                                                                                                                             => ( setOfPairsIsBReln
                                                                                                                                                               => ( dpsetconstrERa
                                                                                                                                                                 => ( dpsetconstrEL1
                                                                                                                                                                   => ( dpsetconstrEL2
                                                                                                                                                                     => ( dpsetconstrER
                                                                                                                                                                       => ( funcImageSingleton
                                                                                                                                                                         => ( apProp
                                                                                                                                                                           => ( app
                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                            ( ( in @ Y0
                                                                                                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                    ( ( !! @ $i
                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                                                                                ( ( in @ Y5
                                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                           => ( ( !! @ $i
                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                          ( ( in @ Y4
                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4901]) ).

thf(f4907,plain,
    ( ( binintersectEL
     => ( binintersectLsub
       => ( binintersectSubset2
         => ( binintersectSubset3
           => ( binintersectER
             => ( disjointsetsI1
               => ( binintersectRsub
                 => ( binintersectSubset4
                   => ( binintersectSubset1
                     => ( bs114d
                       => ( setminusI
                         => ( setminusEL
                           => ( setminusER
                             => ( setminusSubset2
                               => ( setminusERneg
                                 => ( setminusELneg
                                   => ( setminusILneg
                                     => ( setminusIRneg
                                       => ( setminusLsub
                                         => ( setminusSubset1
                                           => ( symdiffE
                                             => ( symdiffI1
                                               => ( symdiffI2
                                                 => ( symdiffIneg1
                                                   => ( symdiffIneg2
                                                     => ( secondinupair
                                                       => ( setukpairIL
                                                         => ( setukpairIR
                                                           => ( kpairiskpair
                                                             => ( kpairp
                                                               => ( singletonsubset
                                                                 => ( singletoninpowerset
                                                                   => ( singletoninpowunion
                                                                     => ( upairset2E
                                                                       => ( upairsubunion
                                                                         => ( upairinpowunion
                                                                           => ( ubforcartprodlem1
                                                                             => ( ubforcartprodlem2
                                                                               => ( ubforcartprodlem3
                                                                                 => ( cartprodpairin
                                                                                   => ( cartprodmempair1
                                                                                     => ( cartprodmempair
                                                                                       => ( setunionE2
                                                                                         => ( setunionsingleton1
                                                                                           => ( setunionsingleton2
                                                                                             => ( setunionsingleton
                                                                                               => ( singletonprop
                                                                                                 => ( ex1E1
                                                                                                   => ( ex1I
                                                                                                     => ( ex1I2
                                                                                                       => ( singletonsuniq
                                                                                                         => ( setukpairinjL1
                                                                                                           => ( kfstsingleton
                                                                                                             => ( theprop
                                                                                                               => ( kfstpairEq
                                                                                                                 => ( cartprodfstin
                                                                                                                   => ( setukpairinjL2
                                                                                                                     => ( setukpairinjL
                                                                                                                       => ( setukpairinjR11
                                                                                                                         => ( setukpairinjR12
                                                                                                                           => ( setukpairinjR1
                                                                                                                             => ( upairequniteq
                                                                                                                               => ( setukpairinjR2
                                                                                                                                 => ( setukpairinjR
                                                                                                                                   => ( ksndsingleton
                                                                                                                                     => ( ksndpairEq
                                                                                                                                       => ( kpairsurjEq
                                                                                                                                         => ( cartprodsndin
                                                                                                                                           => ( cartprodpairmemEL
                                                                                                                                             => ( cartprodpairmemER
                                                                                                                                               => ( cartprodmempaircEq
                                                                                                                                                 => ( cartprodfstpairEq
                                                                                                                                                   => ( cartprodsndpairEq
                                                                                                                                                     => ( cartprodpairsurjEq
                                                                                                                                                       => ( dpsetconstrI
                                                                                                                                                         => ( dpsetconstrSub
                                                                                                                                                           => ( setOfPairsIsBReln
                                                                                                                                                             => ( dpsetconstrERa
                                                                                                                                                               => ( dpsetconstrEL1
                                                                                                                                                                 => ( dpsetconstrEL2
                                                                                                                                                                   => ( dpsetconstrER
                                                                                                                                                                     => ( funcImageSingleton
                                                                                                                                                                       => ( apProp
                                                                                                                                                                         => ( app
                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                          ( ( in @ Y0
                                                                                                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                  ( ( !! @ $i
                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                                                                                                              ( ( in @ Y5
                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                         => ( ( !! @ $i
                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                        ( ( in @ Y4
                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4904]) ).

thf(f4910,plain,
    ( $false
    = ( binintersectLsub
     => ( binintersectSubset2
       => ( binintersectSubset3
         => ( binintersectER
           => ( disjointsetsI1
             => ( binintersectRsub
               => ( binintersectSubset4
                 => ( binintersectSubset1
                   => ( bs114d
                     => ( setminusI
                       => ( setminusEL
                         => ( setminusER
                           => ( setminusSubset2
                             => ( setminusERneg
                               => ( setminusELneg
                                 => ( setminusILneg
                                   => ( setminusIRneg
                                     => ( setminusLsub
                                       => ( setminusSubset1
                                         => ( symdiffE
                                           => ( symdiffI1
                                             => ( symdiffI2
                                               => ( symdiffIneg1
                                                 => ( symdiffIneg2
                                                   => ( secondinupair
                                                     => ( setukpairIL
                                                       => ( setukpairIR
                                                         => ( kpairiskpair
                                                           => ( kpairp
                                                             => ( singletonsubset
                                                               => ( singletoninpowerset
                                                                 => ( singletoninpowunion
                                                                   => ( upairset2E
                                                                     => ( upairsubunion
                                                                       => ( upairinpowunion
                                                                         => ( ubforcartprodlem1
                                                                           => ( ubforcartprodlem2
                                                                             => ( ubforcartprodlem3
                                                                               => ( cartprodpairin
                                                                                 => ( cartprodmempair1
                                                                                   => ( cartprodmempair
                                                                                     => ( setunionE2
                                                                                       => ( setunionsingleton1
                                                                                         => ( setunionsingleton2
                                                                                           => ( setunionsingleton
                                                                                             => ( singletonprop
                                                                                               => ( ex1E1
                                                                                                 => ( ex1I
                                                                                                   => ( ex1I2
                                                                                                     => ( singletonsuniq
                                                                                                       => ( setukpairinjL1
                                                                                                         => ( kfstsingleton
                                                                                                           => ( theprop
                                                                                                             => ( kfstpairEq
                                                                                                               => ( cartprodfstin
                                                                                                                 => ( setukpairinjL2
                                                                                                                   => ( setukpairinjL
                                                                                                                     => ( setukpairinjR11
                                                                                                                       => ( setukpairinjR12
                                                                                                                         => ( setukpairinjR1
                                                                                                                           => ( upairequniteq
                                                                                                                             => ( setukpairinjR2
                                                                                                                               => ( setukpairinjR
                                                                                                                                 => ( ksndsingleton
                                                                                                                                   => ( ksndpairEq
                                                                                                                                     => ( kpairsurjEq
                                                                                                                                       => ( cartprodsndin
                                                                                                                                         => ( cartprodpairmemEL
                                                                                                                                           => ( cartprodpairmemER
                                                                                                                                             => ( cartprodmempaircEq
                                                                                                                                               => ( cartprodfstpairEq
                                                                                                                                                 => ( cartprodsndpairEq
                                                                                                                                                   => ( cartprodpairsurjEq
                                                                                                                                                     => ( dpsetconstrI
                                                                                                                                                       => ( dpsetconstrSub
                                                                                                                                                         => ( setOfPairsIsBReln
                                                                                                                                                           => ( dpsetconstrERa
                                                                                                                                                             => ( dpsetconstrEL1
                                                                                                                                                               => ( dpsetconstrEL2
                                                                                                                                                                 => ( dpsetconstrER
                                                                                                                                                                   => ( funcImageSingleton
                                                                                                                                                                     => ( apProp
                                                                                                                                                                       => ( app
                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                        ( ( in @ Y0
                                                                                                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                ( ( !! @ $i
                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                                                                                                            ( ( in @ Y5
                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                       => ( ( !! @ $i
                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                      ( ( in @ Y4
                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4907]) ).

thf(f4912,plain,
    ( ( binintersectSubset2
     => ( binintersectSubset3
       => ( binintersectER
         => ( disjointsetsI1
           => ( binintersectRsub
             => ( binintersectSubset4
               => ( binintersectSubset1
                 => ( bs114d
                   => ( setminusI
                     => ( setminusEL
                       => ( setminusER
                         => ( setminusSubset2
                           => ( setminusERneg
                             => ( setminusELneg
                               => ( setminusILneg
                                 => ( setminusIRneg
                                   => ( setminusLsub
                                     => ( setminusSubset1
                                       => ( symdiffE
                                         => ( symdiffI1
                                           => ( symdiffI2
                                             => ( symdiffIneg1
                                               => ( symdiffIneg2
                                                 => ( secondinupair
                                                   => ( setukpairIL
                                                     => ( setukpairIR
                                                       => ( kpairiskpair
                                                         => ( kpairp
                                                           => ( singletonsubset
                                                             => ( singletoninpowerset
                                                               => ( singletoninpowunion
                                                                 => ( upairset2E
                                                                   => ( upairsubunion
                                                                     => ( upairinpowunion
                                                                       => ( ubforcartprodlem1
                                                                         => ( ubforcartprodlem2
                                                                           => ( ubforcartprodlem3
                                                                             => ( cartprodpairin
                                                                               => ( cartprodmempair1
                                                                                 => ( cartprodmempair
                                                                                   => ( setunionE2
                                                                                     => ( setunionsingleton1
                                                                                       => ( setunionsingleton2
                                                                                         => ( setunionsingleton
                                                                                           => ( singletonprop
                                                                                             => ( ex1E1
                                                                                               => ( ex1I
                                                                                                 => ( ex1I2
                                                                                                   => ( singletonsuniq
                                                                                                     => ( setukpairinjL1
                                                                                                       => ( kfstsingleton
                                                                                                         => ( theprop
                                                                                                           => ( kfstpairEq
                                                                                                             => ( cartprodfstin
                                                                                                               => ( setukpairinjL2
                                                                                                                 => ( setukpairinjL
                                                                                                                   => ( setukpairinjR11
                                                                                                                     => ( setukpairinjR12
                                                                                                                       => ( setukpairinjR1
                                                                                                                         => ( upairequniteq
                                                                                                                           => ( setukpairinjR2
                                                                                                                             => ( setukpairinjR
                                                                                                                               => ( ksndsingleton
                                                                                                                                 => ( ksndpairEq
                                                                                                                                   => ( kpairsurjEq
                                                                                                                                     => ( cartprodsndin
                                                                                                                                       => ( cartprodpairmemEL
                                                                                                                                         => ( cartprodpairmemER
                                                                                                                                           => ( cartprodmempaircEq
                                                                                                                                             => ( cartprodfstpairEq
                                                                                                                                               => ( cartprodsndpairEq
                                                                                                                                                 => ( cartprodpairsurjEq
                                                                                                                                                   => ( dpsetconstrI
                                                                                                                                                     => ( dpsetconstrSub
                                                                                                                                                       => ( setOfPairsIsBReln
                                                                                                                                                         => ( dpsetconstrERa
                                                                                                                                                           => ( dpsetconstrEL1
                                                                                                                                                             => ( dpsetconstrEL2
                                                                                                                                                               => ( dpsetconstrER
                                                                                                                                                                 => ( funcImageSingleton
                                                                                                                                                                   => ( apProp
                                                                                                                                                                     => ( app
                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                      ( ( in @ Y0
                                                                                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                              ( ( !! @ $i
                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                                                                                          ( ( in @ Y5
                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                     => ( ( !! @ $i
                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                                    ( ( in @ Y4
                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4910]) ).

thf(f4915,plain,
    ( $false
    = ( binintersectSubset3
     => ( binintersectER
       => ( disjointsetsI1
         => ( binintersectRsub
           => ( binintersectSubset4
             => ( binintersectSubset1
               => ( bs114d
                 => ( setminusI
                   => ( setminusEL
                     => ( setminusER
                       => ( setminusSubset2
                         => ( setminusERneg
                           => ( setminusELneg
                             => ( setminusILneg
                               => ( setminusIRneg
                                 => ( setminusLsub
                                   => ( setminusSubset1
                                     => ( symdiffE
                                       => ( symdiffI1
                                         => ( symdiffI2
                                           => ( symdiffIneg1
                                             => ( symdiffIneg2
                                               => ( secondinupair
                                                 => ( setukpairIL
                                                   => ( setukpairIR
                                                     => ( kpairiskpair
                                                       => ( kpairp
                                                         => ( singletonsubset
                                                           => ( singletoninpowerset
                                                             => ( singletoninpowunion
                                                               => ( upairset2E
                                                                 => ( upairsubunion
                                                                   => ( upairinpowunion
                                                                     => ( ubforcartprodlem1
                                                                       => ( ubforcartprodlem2
                                                                         => ( ubforcartprodlem3
                                                                           => ( cartprodpairin
                                                                             => ( cartprodmempair1
                                                                               => ( cartprodmempair
                                                                                 => ( setunionE2
                                                                                   => ( setunionsingleton1
                                                                                     => ( setunionsingleton2
                                                                                       => ( setunionsingleton
                                                                                         => ( singletonprop
                                                                                           => ( ex1E1
                                                                                             => ( ex1I
                                                                                               => ( ex1I2
                                                                                                 => ( singletonsuniq
                                                                                                   => ( setukpairinjL1
                                                                                                     => ( kfstsingleton
                                                                                                       => ( theprop
                                                                                                         => ( kfstpairEq
                                                                                                           => ( cartprodfstin
                                                                                                             => ( setukpairinjL2
                                                                                                               => ( setukpairinjL
                                                                                                                 => ( setukpairinjR11
                                                                                                                   => ( setukpairinjR12
                                                                                                                     => ( setukpairinjR1
                                                                                                                       => ( upairequniteq
                                                                                                                         => ( setukpairinjR2
                                                                                                                           => ( setukpairinjR
                                                                                                                             => ( ksndsingleton
                                                                                                                               => ( ksndpairEq
                                                                                                                                 => ( kpairsurjEq
                                                                                                                                   => ( cartprodsndin
                                                                                                                                     => ( cartprodpairmemEL
                                                                                                                                       => ( cartprodpairmemER
                                                                                                                                         => ( cartprodmempaircEq
                                                                                                                                           => ( cartprodfstpairEq
                                                                                                                                             => ( cartprodsndpairEq
                                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                                 => ( dpsetconstrI
                                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                                             => ( dpsetconstrER
                                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                                 => ( apProp
                                                                                                                                                                   => ( app
                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                ( !! @ $i
                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                    ( ( in @ Y0
                                                                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                            ( ( !! @ $i
                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                                                                                        ( ( in @ Y5
                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                   => ( ( !! @ $i
                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                  ( ( in @ Y4
                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4912]) ).

thf(f4919,plain,
    ( ( binintersectER
     => ( disjointsetsI1
       => ( binintersectRsub
         => ( binintersectSubset4
           => ( binintersectSubset1
             => ( bs114d
               => ( setminusI
                 => ( setminusEL
                   => ( setminusER
                     => ( setminusSubset2
                       => ( setminusERneg
                         => ( setminusELneg
                           => ( setminusILneg
                             => ( setminusIRneg
                               => ( setminusLsub
                                 => ( setminusSubset1
                                   => ( symdiffE
                                     => ( symdiffI1
                                       => ( symdiffI2
                                         => ( symdiffIneg1
                                           => ( symdiffIneg2
                                             => ( secondinupair
                                               => ( setukpairIL
                                                 => ( setukpairIR
                                                   => ( kpairiskpair
                                                     => ( kpairp
                                                       => ( singletonsubset
                                                         => ( singletoninpowerset
                                                           => ( singletoninpowunion
                                                             => ( upairset2E
                                                               => ( upairsubunion
                                                                 => ( upairinpowunion
                                                                   => ( ubforcartprodlem1
                                                                     => ( ubforcartprodlem2
                                                                       => ( ubforcartprodlem3
                                                                         => ( cartprodpairin
                                                                           => ( cartprodmempair1
                                                                             => ( cartprodmempair
                                                                               => ( setunionE2
                                                                                 => ( setunionsingleton1
                                                                                   => ( setunionsingleton2
                                                                                     => ( setunionsingleton
                                                                                       => ( singletonprop
                                                                                         => ( ex1E1
                                                                                           => ( ex1I
                                                                                             => ( ex1I2
                                                                                               => ( singletonsuniq
                                                                                                 => ( setukpairinjL1
                                                                                                   => ( kfstsingleton
                                                                                                     => ( theprop
                                                                                                       => ( kfstpairEq
                                                                                                         => ( cartprodfstin
                                                                                                           => ( setukpairinjL2
                                                                                                             => ( setukpairinjL
                                                                                                               => ( setukpairinjR11
                                                                                                                 => ( setukpairinjR12
                                                                                                                   => ( setukpairinjR1
                                                                                                                     => ( upairequniteq
                                                                                                                       => ( setukpairinjR2
                                                                                                                         => ( setukpairinjR
                                                                                                                           => ( ksndsingleton
                                                                                                                             => ( ksndpairEq
                                                                                                                               => ( kpairsurjEq
                                                                                                                                 => ( cartprodsndin
                                                                                                                                   => ( cartprodpairmemEL
                                                                                                                                     => ( cartprodpairmemER
                                                                                                                                       => ( cartprodmempaircEq
                                                                                                                                         => ( cartprodfstpairEq
                                                                                                                                           => ( cartprodsndpairEq
                                                                                                                                             => ( cartprodpairsurjEq
                                                                                                                                               => ( dpsetconstrI
                                                                                                                                                 => ( dpsetconstrSub
                                                                                                                                                   => ( setOfPairsIsBReln
                                                                                                                                                     => ( dpsetconstrERa
                                                                                                                                                       => ( dpsetconstrEL1
                                                                                                                                                         => ( dpsetconstrEL2
                                                                                                                                                           => ( dpsetconstrER
                                                                                                                                                             => ( funcImageSingleton
                                                                                                                                                               => ( apProp
                                                                                                                                                                 => ( app
                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                              ( !! @ $i
                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                  ( ( in @ Y0
                                                                                                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                          ( ( !! @ $i
                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                                                                                                      ( ( in @ Y5
                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                 => ( ( !! @ $i
                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                ( ( in @ Y4
                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4915]) ).

thf(f4922,plain,
    ( ( disjointsetsI1
     => ( binintersectRsub
       => ( binintersectSubset4
         => ( binintersectSubset1
           => ( bs114d
             => ( setminusI
               => ( setminusEL
                 => ( setminusER
                   => ( setminusSubset2
                     => ( setminusERneg
                       => ( setminusELneg
                         => ( setminusILneg
                           => ( setminusIRneg
                             => ( setminusLsub
                               => ( setminusSubset1
                                 => ( symdiffE
                                   => ( symdiffI1
                                     => ( symdiffI2
                                       => ( symdiffIneg1
                                         => ( symdiffIneg2
                                           => ( secondinupair
                                             => ( setukpairIL
                                               => ( setukpairIR
                                                 => ( kpairiskpair
                                                   => ( kpairp
                                                     => ( singletonsubset
                                                       => ( singletoninpowerset
                                                         => ( singletoninpowunion
                                                           => ( upairset2E
                                                             => ( upairsubunion
                                                               => ( upairinpowunion
                                                                 => ( ubforcartprodlem1
                                                                   => ( ubforcartprodlem2
                                                                     => ( ubforcartprodlem3
                                                                       => ( cartprodpairin
                                                                         => ( cartprodmempair1
                                                                           => ( cartprodmempair
                                                                             => ( setunionE2
                                                                               => ( setunionsingleton1
                                                                                 => ( setunionsingleton2
                                                                                   => ( setunionsingleton
                                                                                     => ( singletonprop
                                                                                       => ( ex1E1
                                                                                         => ( ex1I
                                                                                           => ( ex1I2
                                                                                             => ( singletonsuniq
                                                                                               => ( setukpairinjL1
                                                                                                 => ( kfstsingleton
                                                                                                   => ( theprop
                                                                                                     => ( kfstpairEq
                                                                                                       => ( cartprodfstin
                                                                                                         => ( setukpairinjL2
                                                                                                           => ( setukpairinjL
                                                                                                             => ( setukpairinjR11
                                                                                                               => ( setukpairinjR12
                                                                                                                 => ( setukpairinjR1
                                                                                                                   => ( upairequniteq
                                                                                                                     => ( setukpairinjR2
                                                                                                                       => ( setukpairinjR
                                                                                                                         => ( ksndsingleton
                                                                                                                           => ( ksndpairEq
                                                                                                                             => ( kpairsurjEq
                                                                                                                               => ( cartprodsndin
                                                                                                                                 => ( cartprodpairmemEL
                                                                                                                                   => ( cartprodpairmemER
                                                                                                                                     => ( cartprodmempaircEq
                                                                                                                                       => ( cartprodfstpairEq
                                                                                                                                         => ( cartprodsndpairEq
                                                                                                                                           => ( cartprodpairsurjEq
                                                                                                                                             => ( dpsetconstrI
                                                                                                                                               => ( dpsetconstrSub
                                                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                                                   => ( dpsetconstrERa
                                                                                                                                                     => ( dpsetconstrEL1
                                                                                                                                                       => ( dpsetconstrEL2
                                                                                                                                                         => ( dpsetconstrER
                                                                                                                                                           => ( funcImageSingleton
                                                                                                                                                             => ( apProp
                                                                                                                                                               => ( app
                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                            ( !! @ $i
                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                ( ( in @ Y0
                                                                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                        ( ( !! @ $i
                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                               => ( ( !! @ $i
                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4919]) ).

thf(f4924,plain,
    ( $false
    = ( binintersectRsub
     => ( binintersectSubset4
       => ( binintersectSubset1
         => ( bs114d
           => ( setminusI
             => ( setminusEL
               => ( setminusER
                 => ( setminusSubset2
                   => ( setminusERneg
                     => ( setminusELneg
                       => ( setminusILneg
                         => ( setminusIRneg
                           => ( setminusLsub
                             => ( setminusSubset1
                               => ( symdiffE
                                 => ( symdiffI1
                                   => ( symdiffI2
                                     => ( symdiffIneg1
                                       => ( symdiffIneg2
                                         => ( secondinupair
                                           => ( setukpairIL
                                             => ( setukpairIR
                                               => ( kpairiskpair
                                                 => ( kpairp
                                                   => ( singletonsubset
                                                     => ( singletoninpowerset
                                                       => ( singletoninpowunion
                                                         => ( upairset2E
                                                           => ( upairsubunion
                                                             => ( upairinpowunion
                                                               => ( ubforcartprodlem1
                                                                 => ( ubforcartprodlem2
                                                                   => ( ubforcartprodlem3
                                                                     => ( cartprodpairin
                                                                       => ( cartprodmempair1
                                                                         => ( cartprodmempair
                                                                           => ( setunionE2
                                                                             => ( setunionsingleton1
                                                                               => ( setunionsingleton2
                                                                                 => ( setunionsingleton
                                                                                   => ( singletonprop
                                                                                     => ( ex1E1
                                                                                       => ( ex1I
                                                                                         => ( ex1I2
                                                                                           => ( singletonsuniq
                                                                                             => ( setukpairinjL1
                                                                                               => ( kfstsingleton
                                                                                                 => ( theprop
                                                                                                   => ( kfstpairEq
                                                                                                     => ( cartprodfstin
                                                                                                       => ( setukpairinjL2
                                                                                                         => ( setukpairinjL
                                                                                                           => ( setukpairinjR11
                                                                                                             => ( setukpairinjR12
                                                                                                               => ( setukpairinjR1
                                                                                                                 => ( upairequniteq
                                                                                                                   => ( setukpairinjR2
                                                                                                                     => ( setukpairinjR
                                                                                                                       => ( ksndsingleton
                                                                                                                         => ( ksndpairEq
                                                                                                                           => ( kpairsurjEq
                                                                                                                             => ( cartprodsndin
                                                                                                                               => ( cartprodpairmemEL
                                                                                                                                 => ( cartprodpairmemER
                                                                                                                                   => ( cartprodmempaircEq
                                                                                                                                     => ( cartprodfstpairEq
                                                                                                                                       => ( cartprodsndpairEq
                                                                                                                                         => ( cartprodpairsurjEq
                                                                                                                                           => ( dpsetconstrI
                                                                                                                                             => ( dpsetconstrSub
                                                                                                                                               => ( setOfPairsIsBReln
                                                                                                                                                 => ( dpsetconstrERa
                                                                                                                                                   => ( dpsetconstrEL1
                                                                                                                                                     => ( dpsetconstrEL2
                                                                                                                                                       => ( dpsetconstrER
                                                                                                                                                         => ( funcImageSingleton
                                                                                                                                                           => ( apProp
                                                                                                                                                             => ( app
                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                          ( !! @ $i
                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                              ( ( in @ Y0
                                                                                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                      ( ( !! @ $i
                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                                                                                  ( ( in @ Y5
                                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                             => ( ( !! @ $i
                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                            ( ( in @ Y4
                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4922]) ).

thf(f4928,plain,
    ( $false
    = ( binintersectSubset4
     => ( binintersectSubset1
       => ( bs114d
         => ( setminusI
           => ( setminusEL
             => ( setminusER
               => ( setminusSubset2
                 => ( setminusERneg
                   => ( setminusELneg
                     => ( setminusILneg
                       => ( setminusIRneg
                         => ( setminusLsub
                           => ( setminusSubset1
                             => ( symdiffE
                               => ( symdiffI1
                                 => ( symdiffI2
                                   => ( symdiffIneg1
                                     => ( symdiffIneg2
                                       => ( secondinupair
                                         => ( setukpairIL
                                           => ( setukpairIR
                                             => ( kpairiskpair
                                               => ( kpairp
                                                 => ( singletonsubset
                                                   => ( singletoninpowerset
                                                     => ( singletoninpowunion
                                                       => ( upairset2E
                                                         => ( upairsubunion
                                                           => ( upairinpowunion
                                                             => ( ubforcartprodlem1
                                                               => ( ubforcartprodlem2
                                                                 => ( ubforcartprodlem3
                                                                   => ( cartprodpairin
                                                                     => ( cartprodmempair1
                                                                       => ( cartprodmempair
                                                                         => ( setunionE2
                                                                           => ( setunionsingleton1
                                                                             => ( setunionsingleton2
                                                                               => ( setunionsingleton
                                                                                 => ( singletonprop
                                                                                   => ( ex1E1
                                                                                     => ( ex1I
                                                                                       => ( ex1I2
                                                                                         => ( singletonsuniq
                                                                                           => ( setukpairinjL1
                                                                                             => ( kfstsingleton
                                                                                               => ( theprop
                                                                                                 => ( kfstpairEq
                                                                                                   => ( cartprodfstin
                                                                                                     => ( setukpairinjL2
                                                                                                       => ( setukpairinjL
                                                                                                         => ( setukpairinjR11
                                                                                                           => ( setukpairinjR12
                                                                                                             => ( setukpairinjR1
                                                                                                               => ( upairequniteq
                                                                                                                 => ( setukpairinjR2
                                                                                                                   => ( setukpairinjR
                                                                                                                     => ( ksndsingleton
                                                                                                                       => ( ksndpairEq
                                                                                                                         => ( kpairsurjEq
                                                                                                                           => ( cartprodsndin
                                                                                                                             => ( cartprodpairmemEL
                                                                                                                               => ( cartprodpairmemER
                                                                                                                                 => ( cartprodmempaircEq
                                                                                                                                   => ( cartprodfstpairEq
                                                                                                                                     => ( cartprodsndpairEq
                                                                                                                                       => ( cartprodpairsurjEq
                                                                                                                                         => ( dpsetconstrI
                                                                                                                                           => ( dpsetconstrSub
                                                                                                                                             => ( setOfPairsIsBReln
                                                                                                                                               => ( dpsetconstrERa
                                                                                                                                                 => ( dpsetconstrEL1
                                                                                                                                                   => ( dpsetconstrEL2
                                                                                                                                                     => ( dpsetconstrER
                                                                                                                                                       => ( funcImageSingleton
                                                                                                                                                         => ( apProp
                                                                                                                                                           => ( app
                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                        ( !! @ $i
                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                            ( ( in @ Y0
                                                                                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                    ( ( !! @ $i
                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                                                                ( ( in @ Y5
                                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                           => ( ( !! @ $i
                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                          ( ( in @ Y4
                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4924]) ).

thf(f4931,plain,
    ( $false
    = ( binintersectSubset1
     => ( bs114d
       => ( setminusI
         => ( setminusEL
           => ( setminusER
             => ( setminusSubset2
               => ( setminusERneg
                 => ( setminusELneg
                   => ( setminusILneg
                     => ( setminusIRneg
                       => ( setminusLsub
                         => ( setminusSubset1
                           => ( symdiffE
                             => ( symdiffI1
                               => ( symdiffI2
                                 => ( symdiffIneg1
                                   => ( symdiffIneg2
                                     => ( secondinupair
                                       => ( setukpairIL
                                         => ( setukpairIR
                                           => ( kpairiskpair
                                             => ( kpairp
                                               => ( singletonsubset
                                                 => ( singletoninpowerset
                                                   => ( singletoninpowunion
                                                     => ( upairset2E
                                                       => ( upairsubunion
                                                         => ( upairinpowunion
                                                           => ( ubforcartprodlem1
                                                             => ( ubforcartprodlem2
                                                               => ( ubforcartprodlem3
                                                                 => ( cartprodpairin
                                                                   => ( cartprodmempair1
                                                                     => ( cartprodmempair
                                                                       => ( setunionE2
                                                                         => ( setunionsingleton1
                                                                           => ( setunionsingleton2
                                                                             => ( setunionsingleton
                                                                               => ( singletonprop
                                                                                 => ( ex1E1
                                                                                   => ( ex1I
                                                                                     => ( ex1I2
                                                                                       => ( singletonsuniq
                                                                                         => ( setukpairinjL1
                                                                                           => ( kfstsingleton
                                                                                             => ( theprop
                                                                                               => ( kfstpairEq
                                                                                                 => ( cartprodfstin
                                                                                                   => ( setukpairinjL2
                                                                                                     => ( setukpairinjL
                                                                                                       => ( setukpairinjR11
                                                                                                         => ( setukpairinjR12
                                                                                                           => ( setukpairinjR1
                                                                                                             => ( upairequniteq
                                                                                                               => ( setukpairinjR2
                                                                                                                 => ( setukpairinjR
                                                                                                                   => ( ksndsingleton
                                                                                                                     => ( ksndpairEq
                                                                                                                       => ( kpairsurjEq
                                                                                                                         => ( cartprodsndin
                                                                                                                           => ( cartprodpairmemEL
                                                                                                                             => ( cartprodpairmemER
                                                                                                                               => ( cartprodmempaircEq
                                                                                                                                 => ( cartprodfstpairEq
                                                                                                                                   => ( cartprodsndpairEq
                                                                                                                                     => ( cartprodpairsurjEq
                                                                                                                                       => ( dpsetconstrI
                                                                                                                                         => ( dpsetconstrSub
                                                                                                                                           => ( setOfPairsIsBReln
                                                                                                                                             => ( dpsetconstrERa
                                                                                                                                               => ( dpsetconstrEL1
                                                                                                                                                 => ( dpsetconstrEL2
                                                                                                                                                   => ( dpsetconstrER
                                                                                                                                                     => ( funcImageSingleton
                                                                                                                                                       => ( apProp
                                                                                                                                                         => ( app
                                                                                                                                                           => ( !! @ $i
                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                      ( !! @ $i
                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                          ( ( in @ Y0
                                                                                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                  ( ( !! @ $i
                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                                                                                              ( ( in @ Y5
                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                         => ( ( !! @ $i
                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                        ( ( in @ Y4
                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4928]) ).

thf(f4934,plain,
    ( $false
    = ( bs114d
     => ( setminusI
       => ( setminusEL
         => ( setminusER
           => ( setminusSubset2
             => ( setminusERneg
               => ( setminusELneg
                 => ( setminusILneg
                   => ( setminusIRneg
                     => ( setminusLsub
                       => ( setminusSubset1
                         => ( symdiffE
                           => ( symdiffI1
                             => ( symdiffI2
                               => ( symdiffIneg1
                                 => ( symdiffIneg2
                                   => ( secondinupair
                                     => ( setukpairIL
                                       => ( setukpairIR
                                         => ( kpairiskpair
                                           => ( kpairp
                                             => ( singletonsubset
                                               => ( singletoninpowerset
                                                 => ( singletoninpowunion
                                                   => ( upairset2E
                                                     => ( upairsubunion
                                                       => ( upairinpowunion
                                                         => ( ubforcartprodlem1
                                                           => ( ubforcartprodlem2
                                                             => ( ubforcartprodlem3
                                                               => ( cartprodpairin
                                                                 => ( cartprodmempair1
                                                                   => ( cartprodmempair
                                                                     => ( setunionE2
                                                                       => ( setunionsingleton1
                                                                         => ( setunionsingleton2
                                                                           => ( setunionsingleton
                                                                             => ( singletonprop
                                                                               => ( ex1E1
                                                                                 => ( ex1I
                                                                                   => ( ex1I2
                                                                                     => ( singletonsuniq
                                                                                       => ( setukpairinjL1
                                                                                         => ( kfstsingleton
                                                                                           => ( theprop
                                                                                             => ( kfstpairEq
                                                                                               => ( cartprodfstin
                                                                                                 => ( setukpairinjL2
                                                                                                   => ( setukpairinjL
                                                                                                     => ( setukpairinjR11
                                                                                                       => ( setukpairinjR12
                                                                                                         => ( setukpairinjR1
                                                                                                           => ( upairequniteq
                                                                                                             => ( setukpairinjR2
                                                                                                               => ( setukpairinjR
                                                                                                                 => ( ksndsingleton
                                                                                                                   => ( ksndpairEq
                                                                                                                     => ( kpairsurjEq
                                                                                                                       => ( cartprodsndin
                                                                                                                         => ( cartprodpairmemEL
                                                                                                                           => ( cartprodpairmemER
                                                                                                                             => ( cartprodmempaircEq
                                                                                                                               => ( cartprodfstpairEq
                                                                                                                                 => ( cartprodsndpairEq
                                                                                                                                   => ( cartprodpairsurjEq
                                                                                                                                     => ( dpsetconstrI
                                                                                                                                       => ( dpsetconstrSub
                                                                                                                                         => ( setOfPairsIsBReln
                                                                                                                                           => ( dpsetconstrERa
                                                                                                                                             => ( dpsetconstrEL1
                                                                                                                                               => ( dpsetconstrEL2
                                                                                                                                                 => ( dpsetconstrER
                                                                                                                                                   => ( funcImageSingleton
                                                                                                                                                     => ( apProp
                                                                                                                                                       => ( app
                                                                                                                                                         => ( !! @ $i
                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                ( !! @ $i
                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                    ( !! @ $i
                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                        ( ( in @ Y0
                                                                                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                ( ( !! @ $i
                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                                                                                            ( ( in @ Y5
                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                       => ( ( !! @ $i
                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                      ( ( in @ Y4
                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4931]) ).

thf(f4936,plain,
    ( $false
    = ( setminusI
     => ( setminusEL
       => ( setminusER
         => ( setminusSubset2
           => ( setminusERneg
             => ( setminusELneg
               => ( setminusILneg
                 => ( setminusIRneg
                   => ( setminusLsub
                     => ( setminusSubset1
                       => ( symdiffE
                         => ( symdiffI1
                           => ( symdiffI2
                             => ( symdiffIneg1
                               => ( symdiffIneg2
                                 => ( secondinupair
                                   => ( setukpairIL
                                     => ( setukpairIR
                                       => ( kpairiskpair
                                         => ( kpairp
                                           => ( singletonsubset
                                             => ( singletoninpowerset
                                               => ( singletoninpowunion
                                                 => ( upairset2E
                                                   => ( upairsubunion
                                                     => ( upairinpowunion
                                                       => ( ubforcartprodlem1
                                                         => ( ubforcartprodlem2
                                                           => ( ubforcartprodlem3
                                                             => ( cartprodpairin
                                                               => ( cartprodmempair1
                                                                 => ( cartprodmempair
                                                                   => ( setunionE2
                                                                     => ( setunionsingleton1
                                                                       => ( setunionsingleton2
                                                                         => ( setunionsingleton
                                                                           => ( singletonprop
                                                                             => ( ex1E1
                                                                               => ( ex1I
                                                                                 => ( ex1I2
                                                                                   => ( singletonsuniq
                                                                                     => ( setukpairinjL1
                                                                                       => ( kfstsingleton
                                                                                         => ( theprop
                                                                                           => ( kfstpairEq
                                                                                             => ( cartprodfstin
                                                                                               => ( setukpairinjL2
                                                                                                 => ( setukpairinjL
                                                                                                   => ( setukpairinjR11
                                                                                                     => ( setukpairinjR12
                                                                                                       => ( setukpairinjR1
                                                                                                         => ( upairequniteq
                                                                                                           => ( setukpairinjR2
                                                                                                             => ( setukpairinjR
                                                                                                               => ( ksndsingleton
                                                                                                                 => ( ksndpairEq
                                                                                                                   => ( kpairsurjEq
                                                                                                                     => ( cartprodsndin
                                                                                                                       => ( cartprodpairmemEL
                                                                                                                         => ( cartprodpairmemER
                                                                                                                           => ( cartprodmempaircEq
                                                                                                                             => ( cartprodfstpairEq
                                                                                                                               => ( cartprodsndpairEq
                                                                                                                                 => ( cartprodpairsurjEq
                                                                                                                                   => ( dpsetconstrI
                                                                                                                                     => ( dpsetconstrSub
                                                                                                                                       => ( setOfPairsIsBReln
                                                                                                                                         => ( dpsetconstrERa
                                                                                                                                           => ( dpsetconstrEL1
                                                                                                                                             => ( dpsetconstrEL2
                                                                                                                                               => ( dpsetconstrER
                                                                                                                                                 => ( funcImageSingleton
                                                                                                                                                   => ( apProp
                                                                                                                                                     => ( app
                                                                                                                                                       => ( !! @ $i
                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                              ( !! @ $i
                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                  ( !! @ $i
                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                      ( ( in @ Y0
                                                                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                              ( ( !! @ $i
                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                                                                          ( ( in @ Y5
                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                     => ( ( !! @ $i
                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                    ( ( in @ Y4
                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4934]) ).

thf(f4940,plain,
    ( ( setminusEL
     => ( setminusER
       => ( setminusSubset2
         => ( setminusERneg
           => ( setminusELneg
             => ( setminusILneg
               => ( setminusIRneg
                 => ( setminusLsub
                   => ( setminusSubset1
                     => ( symdiffE
                       => ( symdiffI1
                         => ( symdiffI2
                           => ( symdiffIneg1
                             => ( symdiffIneg2
                               => ( secondinupair
                                 => ( setukpairIL
                                   => ( setukpairIR
                                     => ( kpairiskpair
                                       => ( kpairp
                                         => ( singletonsubset
                                           => ( singletoninpowerset
                                             => ( singletoninpowunion
                                               => ( upairset2E
                                                 => ( upairsubunion
                                                   => ( upairinpowunion
                                                     => ( ubforcartprodlem1
                                                       => ( ubforcartprodlem2
                                                         => ( ubforcartprodlem3
                                                           => ( cartprodpairin
                                                             => ( cartprodmempair1
                                                               => ( cartprodmempair
                                                                 => ( setunionE2
                                                                   => ( setunionsingleton1
                                                                     => ( setunionsingleton2
                                                                       => ( setunionsingleton
                                                                         => ( singletonprop
                                                                           => ( ex1E1
                                                                             => ( ex1I
                                                                               => ( ex1I2
                                                                                 => ( singletonsuniq
                                                                                   => ( setukpairinjL1
                                                                                     => ( kfstsingleton
                                                                                       => ( theprop
                                                                                         => ( kfstpairEq
                                                                                           => ( cartprodfstin
                                                                                             => ( setukpairinjL2
                                                                                               => ( setukpairinjL
                                                                                                 => ( setukpairinjR11
                                                                                                   => ( setukpairinjR12
                                                                                                     => ( setukpairinjR1
                                                                                                       => ( upairequniteq
                                                                                                         => ( setukpairinjR2
                                                                                                           => ( setukpairinjR
                                                                                                             => ( ksndsingleton
                                                                                                               => ( ksndpairEq
                                                                                                                 => ( kpairsurjEq
                                                                                                                   => ( cartprodsndin
                                                                                                                     => ( cartprodpairmemEL
                                                                                                                       => ( cartprodpairmemER
                                                                                                                         => ( cartprodmempaircEq
                                                                                                                           => ( cartprodfstpairEq
                                                                                                                             => ( cartprodsndpairEq
                                                                                                                               => ( cartprodpairsurjEq
                                                                                                                                 => ( dpsetconstrI
                                                                                                                                   => ( dpsetconstrSub
                                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                                       => ( dpsetconstrERa
                                                                                                                                         => ( dpsetconstrEL1
                                                                                                                                           => ( dpsetconstrEL2
                                                                                                                                             => ( dpsetconstrER
                                                                                                                                               => ( funcImageSingleton
                                                                                                                                                 => ( apProp
                                                                                                                                                   => ( app
                                                                                                                                                     => ( !! @ $i
                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                            ( !! @ $i
                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                ( !! @ $i
                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                    ( ( in @ Y0
                                                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                            ( ( !! @ $i
                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                                                                        ( ( in @ Y5
                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                   => ( ( !! @ $i
                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                  ( ( in @ Y4
                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4936]) ).

thf(f4943,plain,
    ( ( setminusER
     => ( setminusSubset2
       => ( setminusERneg
         => ( setminusELneg
           => ( setminusILneg
             => ( setminusIRneg
               => ( setminusLsub
                 => ( setminusSubset1
                   => ( symdiffE
                     => ( symdiffI1
                       => ( symdiffI2
                         => ( symdiffIneg1
                           => ( symdiffIneg2
                             => ( secondinupair
                               => ( setukpairIL
                                 => ( setukpairIR
                                   => ( kpairiskpair
                                     => ( kpairp
                                       => ( singletonsubset
                                         => ( singletoninpowerset
                                           => ( singletoninpowunion
                                             => ( upairset2E
                                               => ( upairsubunion
                                                 => ( upairinpowunion
                                                   => ( ubforcartprodlem1
                                                     => ( ubforcartprodlem2
                                                       => ( ubforcartprodlem3
                                                         => ( cartprodpairin
                                                           => ( cartprodmempair1
                                                             => ( cartprodmempair
                                                               => ( setunionE2
                                                                 => ( setunionsingleton1
                                                                   => ( setunionsingleton2
                                                                     => ( setunionsingleton
                                                                       => ( singletonprop
                                                                         => ( ex1E1
                                                                           => ( ex1I
                                                                             => ( ex1I2
                                                                               => ( singletonsuniq
                                                                                 => ( setukpairinjL1
                                                                                   => ( kfstsingleton
                                                                                     => ( theprop
                                                                                       => ( kfstpairEq
                                                                                         => ( cartprodfstin
                                                                                           => ( setukpairinjL2
                                                                                             => ( setukpairinjL
                                                                                               => ( setukpairinjR11
                                                                                                 => ( setukpairinjR12
                                                                                                   => ( setukpairinjR1
                                                                                                     => ( upairequniteq
                                                                                                       => ( setukpairinjR2
                                                                                                         => ( setukpairinjR
                                                                                                           => ( ksndsingleton
                                                                                                             => ( ksndpairEq
                                                                                                               => ( kpairsurjEq
                                                                                                                 => ( cartprodsndin
                                                                                                                   => ( cartprodpairmemEL
                                                                                                                     => ( cartprodpairmemER
                                                                                                                       => ( cartprodmempaircEq
                                                                                                                         => ( cartprodfstpairEq
                                                                                                                           => ( cartprodsndpairEq
                                                                                                                             => ( cartprodpairsurjEq
                                                                                                                               => ( dpsetconstrI
                                                                                                                                 => ( dpsetconstrSub
                                                                                                                                   => ( setOfPairsIsBReln
                                                                                                                                     => ( dpsetconstrERa
                                                                                                                                       => ( dpsetconstrEL1
                                                                                                                                         => ( dpsetconstrEL2
                                                                                                                                           => ( dpsetconstrER
                                                                                                                                             => ( funcImageSingleton
                                                                                                                                               => ( apProp
                                                                                                                                                 => ( app
                                                                                                                                                   => ( !! @ $i
                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                          ( !! @ $i
                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                              ( !! @ $i
                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                  ( ( in @ Y0
                                                                                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                          ( ( !! @ $i
                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                                                                                      ( ( in @ Y5
                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                 => ( ( !! @ $i
                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                ( ( in @ Y4
                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4940]) ).

thf(f4946,plain,
    ( $false
    = ( setminusSubset2
     => ( setminusERneg
       => ( setminusELneg
         => ( setminusILneg
           => ( setminusIRneg
             => ( setminusLsub
               => ( setminusSubset1
                 => ( symdiffE
                   => ( symdiffI1
                     => ( symdiffI2
                       => ( symdiffIneg1
                         => ( symdiffIneg2
                           => ( secondinupair
                             => ( setukpairIL
                               => ( setukpairIR
                                 => ( kpairiskpair
                                   => ( kpairp
                                     => ( singletonsubset
                                       => ( singletoninpowerset
                                         => ( singletoninpowunion
                                           => ( upairset2E
                                             => ( upairsubunion
                                               => ( upairinpowunion
                                                 => ( ubforcartprodlem1
                                                   => ( ubforcartprodlem2
                                                     => ( ubforcartprodlem3
                                                       => ( cartprodpairin
                                                         => ( cartprodmempair1
                                                           => ( cartprodmempair
                                                             => ( setunionE2
                                                               => ( setunionsingleton1
                                                                 => ( setunionsingleton2
                                                                   => ( setunionsingleton
                                                                     => ( singletonprop
                                                                       => ( ex1E1
                                                                         => ( ex1I
                                                                           => ( ex1I2
                                                                             => ( singletonsuniq
                                                                               => ( setukpairinjL1
                                                                                 => ( kfstsingleton
                                                                                   => ( theprop
                                                                                     => ( kfstpairEq
                                                                                       => ( cartprodfstin
                                                                                         => ( setukpairinjL2
                                                                                           => ( setukpairinjL
                                                                                             => ( setukpairinjR11
                                                                                               => ( setukpairinjR12
                                                                                                 => ( setukpairinjR1
                                                                                                   => ( upairequniteq
                                                                                                     => ( setukpairinjR2
                                                                                                       => ( setukpairinjR
                                                                                                         => ( ksndsingleton
                                                                                                           => ( ksndpairEq
                                                                                                             => ( kpairsurjEq
                                                                                                               => ( cartprodsndin
                                                                                                                 => ( cartprodpairmemEL
                                                                                                                   => ( cartprodpairmemER
                                                                                                                     => ( cartprodmempaircEq
                                                                                                                       => ( cartprodfstpairEq
                                                                                                                         => ( cartprodsndpairEq
                                                                                                                           => ( cartprodpairsurjEq
                                                                                                                             => ( dpsetconstrI
                                                                                                                               => ( dpsetconstrSub
                                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                                   => ( dpsetconstrERa
                                                                                                                                     => ( dpsetconstrEL1
                                                                                                                                       => ( dpsetconstrEL2
                                                                                                                                         => ( dpsetconstrER
                                                                                                                                           => ( funcImageSingleton
                                                                                                                                             => ( apProp
                                                                                                                                               => ( app
                                                                                                                                                 => ( !! @ $i
                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                        ( !! @ $i
                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                            ( !! @ $i
                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                ( ( in @ Y0
                                                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                        ( ( !! @ $i
                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                               => ( ( !! @ $i
                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4943]) ).

thf(f4948,plain,
    ( $false
    = ( setminusERneg
     => ( setminusELneg
       => ( setminusILneg
         => ( setminusIRneg
           => ( setminusLsub
             => ( setminusSubset1
               => ( symdiffE
                 => ( symdiffI1
                   => ( symdiffI2
                     => ( symdiffIneg1
                       => ( symdiffIneg2
                         => ( secondinupair
                           => ( setukpairIL
                             => ( setukpairIR
                               => ( kpairiskpair
                                 => ( kpairp
                                   => ( singletonsubset
                                     => ( singletoninpowerset
                                       => ( singletoninpowunion
                                         => ( upairset2E
                                           => ( upairsubunion
                                             => ( upairinpowunion
                                               => ( ubforcartprodlem1
                                                 => ( ubforcartprodlem2
                                                   => ( ubforcartprodlem3
                                                     => ( cartprodpairin
                                                       => ( cartprodmempair1
                                                         => ( cartprodmempair
                                                           => ( setunionE2
                                                             => ( setunionsingleton1
                                                               => ( setunionsingleton2
                                                                 => ( setunionsingleton
                                                                   => ( singletonprop
                                                                     => ( ex1E1
                                                                       => ( ex1I
                                                                         => ( ex1I2
                                                                           => ( singletonsuniq
                                                                             => ( setukpairinjL1
                                                                               => ( kfstsingleton
                                                                                 => ( theprop
                                                                                   => ( kfstpairEq
                                                                                     => ( cartprodfstin
                                                                                       => ( setukpairinjL2
                                                                                         => ( setukpairinjL
                                                                                           => ( setukpairinjR11
                                                                                             => ( setukpairinjR12
                                                                                               => ( setukpairinjR1
                                                                                                 => ( upairequniteq
                                                                                                   => ( setukpairinjR2
                                                                                                     => ( setukpairinjR
                                                                                                       => ( ksndsingleton
                                                                                                         => ( ksndpairEq
                                                                                                           => ( kpairsurjEq
                                                                                                             => ( cartprodsndin
                                                                                                               => ( cartprodpairmemEL
                                                                                                                 => ( cartprodpairmemER
                                                                                                                   => ( cartprodmempaircEq
                                                                                                                     => ( cartprodfstpairEq
                                                                                                                       => ( cartprodsndpairEq
                                                                                                                         => ( cartprodpairsurjEq
                                                                                                                           => ( dpsetconstrI
                                                                                                                             => ( dpsetconstrSub
                                                                                                                               => ( setOfPairsIsBReln
                                                                                                                                 => ( dpsetconstrERa
                                                                                                                                   => ( dpsetconstrEL1
                                                                                                                                     => ( dpsetconstrEL2
                                                                                                                                       => ( dpsetconstrER
                                                                                                                                         => ( funcImageSingleton
                                                                                                                                           => ( apProp
                                                                                                                                             => ( app
                                                                                                                                               => ( !! @ $i
                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                      ( !! @ $i
                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                          ( !! @ $i
                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                              ( ( in @ Y0
                                                                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                      ( ( !! @ $i
                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                                                                  ( ( in @ Y5
                                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                             => ( ( !! @ $i
                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                            ( ( in @ Y4
                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4946]) ).

thf(f4952,plain,
    ( ( setminusELneg
     => ( setminusILneg
       => ( setminusIRneg
         => ( setminusLsub
           => ( setminusSubset1
             => ( symdiffE
               => ( symdiffI1
                 => ( symdiffI2
                   => ( symdiffIneg1
                     => ( symdiffIneg2
                       => ( secondinupair
                         => ( setukpairIL
                           => ( setukpairIR
                             => ( kpairiskpair
                               => ( kpairp
                                 => ( singletonsubset
                                   => ( singletoninpowerset
                                     => ( singletoninpowunion
                                       => ( upairset2E
                                         => ( upairsubunion
                                           => ( upairinpowunion
                                             => ( ubforcartprodlem1
                                               => ( ubforcartprodlem2
                                                 => ( ubforcartprodlem3
                                                   => ( cartprodpairin
                                                     => ( cartprodmempair1
                                                       => ( cartprodmempair
                                                         => ( setunionE2
                                                           => ( setunionsingleton1
                                                             => ( setunionsingleton2
                                                               => ( setunionsingleton
                                                                 => ( singletonprop
                                                                   => ( ex1E1
                                                                     => ( ex1I
                                                                       => ( ex1I2
                                                                         => ( singletonsuniq
                                                                           => ( setukpairinjL1
                                                                             => ( kfstsingleton
                                                                               => ( theprop
                                                                                 => ( kfstpairEq
                                                                                   => ( cartprodfstin
                                                                                     => ( setukpairinjL2
                                                                                       => ( setukpairinjL
                                                                                         => ( setukpairinjR11
                                                                                           => ( setukpairinjR12
                                                                                             => ( setukpairinjR1
                                                                                               => ( upairequniteq
                                                                                                 => ( setukpairinjR2
                                                                                                   => ( setukpairinjR
                                                                                                     => ( ksndsingleton
                                                                                                       => ( ksndpairEq
                                                                                                         => ( kpairsurjEq
                                                                                                           => ( cartprodsndin
                                                                                                             => ( cartprodpairmemEL
                                                                                                               => ( cartprodpairmemER
                                                                                                                 => ( cartprodmempaircEq
                                                                                                                   => ( cartprodfstpairEq
                                                                                                                     => ( cartprodsndpairEq
                                                                                                                       => ( cartprodpairsurjEq
                                                                                                                         => ( dpsetconstrI
                                                                                                                           => ( dpsetconstrSub
                                                                                                                             => ( setOfPairsIsBReln
                                                                                                                               => ( dpsetconstrERa
                                                                                                                                 => ( dpsetconstrEL1
                                                                                                                                   => ( dpsetconstrEL2
                                                                                                                                     => ( dpsetconstrER
                                                                                                                                       => ( funcImageSingleton
                                                                                                                                         => ( apProp
                                                                                                                                           => ( app
                                                                                                                                             => ( !! @ $i
                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                    ( !! @ $i
                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                        ( !! @ $i
                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                            ( ( in @ Y0
                                                                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                    ( ( !! @ $i
                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                                                ( ( in @ Y5
                                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                           => ( ( !! @ $i
                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                          ( ( in @ Y4
                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4948]) ).

thf(f4954,plain,
    ( ( setminusILneg
     => ( setminusIRneg
       => ( setminusLsub
         => ( setminusSubset1
           => ( symdiffE
             => ( symdiffI1
               => ( symdiffI2
                 => ( symdiffIneg1
                   => ( symdiffIneg2
                     => ( secondinupair
                       => ( setukpairIL
                         => ( setukpairIR
                           => ( kpairiskpair
                             => ( kpairp
                               => ( singletonsubset
                                 => ( singletoninpowerset
                                   => ( singletoninpowunion
                                     => ( upairset2E
                                       => ( upairsubunion
                                         => ( upairinpowunion
                                           => ( ubforcartprodlem1
                                             => ( ubforcartprodlem2
                                               => ( ubforcartprodlem3
                                                 => ( cartprodpairin
                                                   => ( cartprodmempair1
                                                     => ( cartprodmempair
                                                       => ( setunionE2
                                                         => ( setunionsingleton1
                                                           => ( setunionsingleton2
                                                             => ( setunionsingleton
                                                               => ( singletonprop
                                                                 => ( ex1E1
                                                                   => ( ex1I
                                                                     => ( ex1I2
                                                                       => ( singletonsuniq
                                                                         => ( setukpairinjL1
                                                                           => ( kfstsingleton
                                                                             => ( theprop
                                                                               => ( kfstpairEq
                                                                                 => ( cartprodfstin
                                                                                   => ( setukpairinjL2
                                                                                     => ( setukpairinjL
                                                                                       => ( setukpairinjR11
                                                                                         => ( setukpairinjR12
                                                                                           => ( setukpairinjR1
                                                                                             => ( upairequniteq
                                                                                               => ( setukpairinjR2
                                                                                                 => ( setukpairinjR
                                                                                                   => ( ksndsingleton
                                                                                                     => ( ksndpairEq
                                                                                                       => ( kpairsurjEq
                                                                                                         => ( cartprodsndin
                                                                                                           => ( cartprodpairmemEL
                                                                                                             => ( cartprodpairmemER
                                                                                                               => ( cartprodmempaircEq
                                                                                                                 => ( cartprodfstpairEq
                                                                                                                   => ( cartprodsndpairEq
                                                                                                                     => ( cartprodpairsurjEq
                                                                                                                       => ( dpsetconstrI
                                                                                                                         => ( dpsetconstrSub
                                                                                                                           => ( setOfPairsIsBReln
                                                                                                                             => ( dpsetconstrERa
                                                                                                                               => ( dpsetconstrEL1
                                                                                                                                 => ( dpsetconstrEL2
                                                                                                                                   => ( dpsetconstrER
                                                                                                                                     => ( funcImageSingleton
                                                                                                                                       => ( apProp
                                                                                                                                         => ( app
                                                                                                                                           => ( !! @ $i
                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                  ( !! @ $i
                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                      ( !! @ $i
                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                          ( ( in @ Y0
                                                                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                  ( ( !! @ $i
                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                                                                              ( ( in @ Y5
                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                         => ( ( !! @ $i
                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                        ( ( in @ Y4
                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4952]) ).

thf(f4957,plain,
    ( $false
    = ( setminusIRneg
     => ( setminusLsub
       => ( setminusSubset1
         => ( symdiffE
           => ( symdiffI1
             => ( symdiffI2
               => ( symdiffIneg1
                 => ( symdiffIneg2
                   => ( secondinupair
                     => ( setukpairIL
                       => ( setukpairIR
                         => ( kpairiskpair
                           => ( kpairp
                             => ( singletonsubset
                               => ( singletoninpowerset
                                 => ( singletoninpowunion
                                   => ( upairset2E
                                     => ( upairsubunion
                                       => ( upairinpowunion
                                         => ( ubforcartprodlem1
                                           => ( ubforcartprodlem2
                                             => ( ubforcartprodlem3
                                               => ( cartprodpairin
                                                 => ( cartprodmempair1
                                                   => ( cartprodmempair
                                                     => ( setunionE2
                                                       => ( setunionsingleton1
                                                         => ( setunionsingleton2
                                                           => ( setunionsingleton
                                                             => ( singletonprop
                                                               => ( ex1E1
                                                                 => ( ex1I
                                                                   => ( ex1I2
                                                                     => ( singletonsuniq
                                                                       => ( setukpairinjL1
                                                                         => ( kfstsingleton
                                                                           => ( theprop
                                                                             => ( kfstpairEq
                                                                               => ( cartprodfstin
                                                                                 => ( setukpairinjL2
                                                                                   => ( setukpairinjL
                                                                                     => ( setukpairinjR11
                                                                                       => ( setukpairinjR12
                                                                                         => ( setukpairinjR1
                                                                                           => ( upairequniteq
                                                                                             => ( setukpairinjR2
                                                                                               => ( setukpairinjR
                                                                                                 => ( ksndsingleton
                                                                                                   => ( ksndpairEq
                                                                                                     => ( kpairsurjEq
                                                                                                       => ( cartprodsndin
                                                                                                         => ( cartprodpairmemEL
                                                                                                           => ( cartprodpairmemER
                                                                                                             => ( cartprodmempaircEq
                                                                                                               => ( cartprodfstpairEq
                                                                                                                 => ( cartprodsndpairEq
                                                                                                                   => ( cartprodpairsurjEq
                                                                                                                     => ( dpsetconstrI
                                                                                                                       => ( dpsetconstrSub
                                                                                                                         => ( setOfPairsIsBReln
                                                                                                                           => ( dpsetconstrERa
                                                                                                                             => ( dpsetconstrEL1
                                                                                                                               => ( dpsetconstrEL2
                                                                                                                                 => ( dpsetconstrER
                                                                                                                                   => ( funcImageSingleton
                                                                                                                                     => ( apProp
                                                                                                                                       => ( app
                                                                                                                                         => ( !! @ $i
                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                ( !! @ $i
                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                    ( !! @ $i
                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                        ( ( in @ Y0
                                                                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                ( ( !! @ $i
                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                                                                            ( ( in @ Y5
                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                       => ( ( !! @ $i
                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                      ( ( in @ Y4
                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4954]) ).

thf(f4960,plain,
    ( ( setminusLsub
     => ( setminusSubset1
       => ( symdiffE
         => ( symdiffI1
           => ( symdiffI2
             => ( symdiffIneg1
               => ( symdiffIneg2
                 => ( secondinupair
                   => ( setukpairIL
                     => ( setukpairIR
                       => ( kpairiskpair
                         => ( kpairp
                           => ( singletonsubset
                             => ( singletoninpowerset
                               => ( singletoninpowunion
                                 => ( upairset2E
                                   => ( upairsubunion
                                     => ( upairinpowunion
                                       => ( ubforcartprodlem1
                                         => ( ubforcartprodlem2
                                           => ( ubforcartprodlem3
                                             => ( cartprodpairin
                                               => ( cartprodmempair1
                                                 => ( cartprodmempair
                                                   => ( setunionE2
                                                     => ( setunionsingleton1
                                                       => ( setunionsingleton2
                                                         => ( setunionsingleton
                                                           => ( singletonprop
                                                             => ( ex1E1
                                                               => ( ex1I
                                                                 => ( ex1I2
                                                                   => ( singletonsuniq
                                                                     => ( setukpairinjL1
                                                                       => ( kfstsingleton
                                                                         => ( theprop
                                                                           => ( kfstpairEq
                                                                             => ( cartprodfstin
                                                                               => ( setukpairinjL2
                                                                                 => ( setukpairinjL
                                                                                   => ( setukpairinjR11
                                                                                     => ( setukpairinjR12
                                                                                       => ( setukpairinjR1
                                                                                         => ( upairequniteq
                                                                                           => ( setukpairinjR2
                                                                                             => ( setukpairinjR
                                                                                               => ( ksndsingleton
                                                                                                 => ( ksndpairEq
                                                                                                   => ( kpairsurjEq
                                                                                                     => ( cartprodsndin
                                                                                                       => ( cartprodpairmemEL
                                                                                                         => ( cartprodpairmemER
                                                                                                           => ( cartprodmempaircEq
                                                                                                             => ( cartprodfstpairEq
                                                                                                               => ( cartprodsndpairEq
                                                                                                                 => ( cartprodpairsurjEq
                                                                                                                   => ( dpsetconstrI
                                                                                                                     => ( dpsetconstrSub
                                                                                                                       => ( setOfPairsIsBReln
                                                                                                                         => ( dpsetconstrERa
                                                                                                                           => ( dpsetconstrEL1
                                                                                                                             => ( dpsetconstrEL2
                                                                                                                               => ( dpsetconstrER
                                                                                                                                 => ( funcImageSingleton
                                                                                                                                   => ( apProp
                                                                                                                                     => ( app
                                                                                                                                       => ( !! @ $i
                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                              ( !! @ $i
                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                  ( !! @ $i
                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                      ( ( in @ Y0
                                                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                              ( ( !! @ $i
                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                                                          ( ( in @ Y5
                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                     => ( ( !! @ $i
                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                    ( ( in @ Y4
                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4957]) ).

thf(f4964,plain,
    ( ( setminusSubset1
     => ( symdiffE
       => ( symdiffI1
         => ( symdiffI2
           => ( symdiffIneg1
             => ( symdiffIneg2
               => ( secondinupair
                 => ( setukpairIL
                   => ( setukpairIR
                     => ( kpairiskpair
                       => ( kpairp
                         => ( singletonsubset
                           => ( singletoninpowerset
                             => ( singletoninpowunion
                               => ( upairset2E
                                 => ( upairsubunion
                                   => ( upairinpowunion
                                     => ( ubforcartprodlem1
                                       => ( ubforcartprodlem2
                                         => ( ubforcartprodlem3
                                           => ( cartprodpairin
                                             => ( cartprodmempair1
                                               => ( cartprodmempair
                                                 => ( setunionE2
                                                   => ( setunionsingleton1
                                                     => ( setunionsingleton2
                                                       => ( setunionsingleton
                                                         => ( singletonprop
                                                           => ( ex1E1
                                                             => ( ex1I
                                                               => ( ex1I2
                                                                 => ( singletonsuniq
                                                                   => ( setukpairinjL1
                                                                     => ( kfstsingleton
                                                                       => ( theprop
                                                                         => ( kfstpairEq
                                                                           => ( cartprodfstin
                                                                             => ( setukpairinjL2
                                                                               => ( setukpairinjL
                                                                                 => ( setukpairinjR11
                                                                                   => ( setukpairinjR12
                                                                                     => ( setukpairinjR1
                                                                                       => ( upairequniteq
                                                                                         => ( setukpairinjR2
                                                                                           => ( setukpairinjR
                                                                                             => ( ksndsingleton
                                                                                               => ( ksndpairEq
                                                                                                 => ( kpairsurjEq
                                                                                                   => ( cartprodsndin
                                                                                                     => ( cartprodpairmemEL
                                                                                                       => ( cartprodpairmemER
                                                                                                         => ( cartprodmempaircEq
                                                                                                           => ( cartprodfstpairEq
                                                                                                             => ( cartprodsndpairEq
                                                                                                               => ( cartprodpairsurjEq
                                                                                                                 => ( dpsetconstrI
                                                                                                                   => ( dpsetconstrSub
                                                                                                                     => ( setOfPairsIsBReln
                                                                                                                       => ( dpsetconstrERa
                                                                                                                         => ( dpsetconstrEL1
                                                                                                                           => ( dpsetconstrEL2
                                                                                                                             => ( dpsetconstrER
                                                                                                                               => ( funcImageSingleton
                                                                                                                                 => ( apProp
                                                                                                                                   => ( app
                                                                                                                                     => ( !! @ $i
                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                            ( !! @ $i
                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                ( !! @ $i
                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                    ( ( in @ Y0
                                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                            ( ( !! @ $i
                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                                                        ( ( in @ Y5
                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                   => ( ( !! @ $i
                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                  ( ( in @ Y4
                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4960]) ).

thf(f4967,plain,
    ( $false
    = ( symdiffE
     => ( symdiffI1
       => ( symdiffI2
         => ( symdiffIneg1
           => ( symdiffIneg2
             => ( secondinupair
               => ( setukpairIL
                 => ( setukpairIR
                   => ( kpairiskpair
                     => ( kpairp
                       => ( singletonsubset
                         => ( singletoninpowerset
                           => ( singletoninpowunion
                             => ( upairset2E
                               => ( upairsubunion
                                 => ( upairinpowunion
                                   => ( ubforcartprodlem1
                                     => ( ubforcartprodlem2
                                       => ( ubforcartprodlem3
                                         => ( cartprodpairin
                                           => ( cartprodmempair1
                                             => ( cartprodmempair
                                               => ( setunionE2
                                                 => ( setunionsingleton1
                                                   => ( setunionsingleton2
                                                     => ( setunionsingleton
                                                       => ( singletonprop
                                                         => ( ex1E1
                                                           => ( ex1I
                                                             => ( ex1I2
                                                               => ( singletonsuniq
                                                                 => ( setukpairinjL1
                                                                   => ( kfstsingleton
                                                                     => ( theprop
                                                                       => ( kfstpairEq
                                                                         => ( cartprodfstin
                                                                           => ( setukpairinjL2
                                                                             => ( setukpairinjL
                                                                               => ( setukpairinjR11
                                                                                 => ( setukpairinjR12
                                                                                   => ( setukpairinjR1
                                                                                     => ( upairequniteq
                                                                                       => ( setukpairinjR2
                                                                                         => ( setukpairinjR
                                                                                           => ( ksndsingleton
                                                                                             => ( ksndpairEq
                                                                                               => ( kpairsurjEq
                                                                                                 => ( cartprodsndin
                                                                                                   => ( cartprodpairmemEL
                                                                                                     => ( cartprodpairmemER
                                                                                                       => ( cartprodmempaircEq
                                                                                                         => ( cartprodfstpairEq
                                                                                                           => ( cartprodsndpairEq
                                                                                                             => ( cartprodpairsurjEq
                                                                                                               => ( dpsetconstrI
                                                                                                                 => ( dpsetconstrSub
                                                                                                                   => ( setOfPairsIsBReln
                                                                                                                     => ( dpsetconstrERa
                                                                                                                       => ( dpsetconstrEL1
                                                                                                                         => ( dpsetconstrEL2
                                                                                                                           => ( dpsetconstrER
                                                                                                                             => ( funcImageSingleton
                                                                                                                               => ( apProp
                                                                                                                                 => ( app
                                                                                                                                   => ( !! @ $i
                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                          ( !! @ $i
                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                              ( !! @ $i
                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                  ( ( in @ Y0
                                                                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                          ( ( !! @ $i
                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                                                                               => ( ?? @ $i
                                                                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                                                                      ( ( in @ Y5
                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                 => ( ( !! @ $i
                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                ( ( in @ Y4
                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4964]) ).

thf(f4969,plain,
    ( $false
    = ( symdiffI1
     => ( symdiffI2
       => ( symdiffIneg1
         => ( symdiffIneg2
           => ( secondinupair
             => ( setukpairIL
               => ( setukpairIR
                 => ( kpairiskpair
                   => ( kpairp
                     => ( singletonsubset
                       => ( singletoninpowerset
                         => ( singletoninpowunion
                           => ( upairset2E
                             => ( upairsubunion
                               => ( upairinpowunion
                                 => ( ubforcartprodlem1
                                   => ( ubforcartprodlem2
                                     => ( ubforcartprodlem3
                                       => ( cartprodpairin
                                         => ( cartprodmempair1
                                           => ( cartprodmempair
                                             => ( setunionE2
                                               => ( setunionsingleton1
                                                 => ( setunionsingleton2
                                                   => ( setunionsingleton
                                                     => ( singletonprop
                                                       => ( ex1E1
                                                         => ( ex1I
                                                           => ( ex1I2
                                                             => ( singletonsuniq
                                                               => ( setukpairinjL1
                                                                 => ( kfstsingleton
                                                                   => ( theprop
                                                                     => ( kfstpairEq
                                                                       => ( cartprodfstin
                                                                         => ( setukpairinjL2
                                                                           => ( setukpairinjL
                                                                             => ( setukpairinjR11
                                                                               => ( setukpairinjR12
                                                                                 => ( setukpairinjR1
                                                                                   => ( upairequniteq
                                                                                     => ( setukpairinjR2
                                                                                       => ( setukpairinjR
                                                                                         => ( ksndsingleton
                                                                                           => ( ksndpairEq
                                                                                             => ( kpairsurjEq
                                                                                               => ( cartprodsndin
                                                                                                 => ( cartprodpairmemEL
                                                                                                   => ( cartprodpairmemER
                                                                                                     => ( cartprodmempaircEq
                                                                                                       => ( cartprodfstpairEq
                                                                                                         => ( cartprodsndpairEq
                                                                                                           => ( cartprodpairsurjEq
                                                                                                             => ( dpsetconstrI
                                                                                                               => ( dpsetconstrSub
                                                                                                                 => ( setOfPairsIsBReln
                                                                                                                   => ( dpsetconstrERa
                                                                                                                     => ( dpsetconstrEL1
                                                                                                                       => ( dpsetconstrEL2
                                                                                                                         => ( dpsetconstrER
                                                                                                                           => ( funcImageSingleton
                                                                                                                             => ( apProp
                                                                                                                               => ( app
                                                                                                                                 => ( !! @ $i
                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                        ( !! @ $i
                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                            ( !! @ $i
                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                ( ( in @ Y0
                                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                        ( ( !! @ $i
                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                                                             => ( ?? @ $i
                                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                               => ( ( !! @ $i
                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4967]) ).

thf(f4972,plain,
    ( ( symdiffI2
     => ( symdiffIneg1
       => ( symdiffIneg2
         => ( secondinupair
           => ( setukpairIL
             => ( setukpairIR
               => ( kpairiskpair
                 => ( kpairp
                   => ( singletonsubset
                     => ( singletoninpowerset
                       => ( singletoninpowunion
                         => ( upairset2E
                           => ( upairsubunion
                             => ( upairinpowunion
                               => ( ubforcartprodlem1
                                 => ( ubforcartprodlem2
                                   => ( ubforcartprodlem3
                                     => ( cartprodpairin
                                       => ( cartprodmempair1
                                         => ( cartprodmempair
                                           => ( setunionE2
                                             => ( setunionsingleton1
                                               => ( setunionsingleton2
                                                 => ( setunionsingleton
                                                   => ( singletonprop
                                                     => ( ex1E1
                                                       => ( ex1I
                                                         => ( ex1I2
                                                           => ( singletonsuniq
                                                             => ( setukpairinjL1
                                                               => ( kfstsingleton
                                                                 => ( theprop
                                                                   => ( kfstpairEq
                                                                     => ( cartprodfstin
                                                                       => ( setukpairinjL2
                                                                         => ( setukpairinjL
                                                                           => ( setukpairinjR11
                                                                             => ( setukpairinjR12
                                                                               => ( setukpairinjR1
                                                                                 => ( upairequniteq
                                                                                   => ( setukpairinjR2
                                                                                     => ( setukpairinjR
                                                                                       => ( ksndsingleton
                                                                                         => ( ksndpairEq
                                                                                           => ( kpairsurjEq
                                                                                             => ( cartprodsndin
                                                                                               => ( cartprodpairmemEL
                                                                                                 => ( cartprodpairmemER
                                                                                                   => ( cartprodmempaircEq
                                                                                                     => ( cartprodfstpairEq
                                                                                                       => ( cartprodsndpairEq
                                                                                                         => ( cartprodpairsurjEq
                                                                                                           => ( dpsetconstrI
                                                                                                             => ( dpsetconstrSub
                                                                                                               => ( setOfPairsIsBReln
                                                                                                                 => ( dpsetconstrERa
                                                                                                                   => ( dpsetconstrEL1
                                                                                                                     => ( dpsetconstrEL2
                                                                                                                       => ( dpsetconstrER
                                                                                                                         => ( funcImageSingleton
                                                                                                                           => ( apProp
                                                                                                                             => ( app
                                                                                                                               => ( !! @ $i
                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                      ( !! @ $i
                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                          ( !! @ $i
                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                              ( ( in @ Y0
                                                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                      ( ( !! @ $i
                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                                                           => ( ?? @ $i
                                                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                                                  ( ( in @ Y5
                                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                             => ( ( !! @ $i
                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                            ( ( in @ Y4
                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4969]) ).

thf(f4975,plain,
    ( $false
    = ( symdiffIneg1
     => ( symdiffIneg2
       => ( secondinupair
         => ( setukpairIL
           => ( setukpairIR
             => ( kpairiskpair
               => ( kpairp
                 => ( singletonsubset
                   => ( singletoninpowerset
                     => ( singletoninpowunion
                       => ( upairset2E
                         => ( upairsubunion
                           => ( upairinpowunion
                             => ( ubforcartprodlem1
                               => ( ubforcartprodlem2
                                 => ( ubforcartprodlem3
                                   => ( cartprodpairin
                                     => ( cartprodmempair1
                                       => ( cartprodmempair
                                         => ( setunionE2
                                           => ( setunionsingleton1
                                             => ( setunionsingleton2
                                               => ( setunionsingleton
                                                 => ( singletonprop
                                                   => ( ex1E1
                                                     => ( ex1I
                                                       => ( ex1I2
                                                         => ( singletonsuniq
                                                           => ( setukpairinjL1
                                                             => ( kfstsingleton
                                                               => ( theprop
                                                                 => ( kfstpairEq
                                                                   => ( cartprodfstin
                                                                     => ( setukpairinjL2
                                                                       => ( setukpairinjL
                                                                         => ( setukpairinjR11
                                                                           => ( setukpairinjR12
                                                                             => ( setukpairinjR1
                                                                               => ( upairequniteq
                                                                                 => ( setukpairinjR2
                                                                                   => ( setukpairinjR
                                                                                     => ( ksndsingleton
                                                                                       => ( ksndpairEq
                                                                                         => ( kpairsurjEq
                                                                                           => ( cartprodsndin
                                                                                             => ( cartprodpairmemEL
                                                                                               => ( cartprodpairmemER
                                                                                                 => ( cartprodmempaircEq
                                                                                                   => ( cartprodfstpairEq
                                                                                                     => ( cartprodsndpairEq
                                                                                                       => ( cartprodpairsurjEq
                                                                                                         => ( dpsetconstrI
                                                                                                           => ( dpsetconstrSub
                                                                                                             => ( setOfPairsIsBReln
                                                                                                               => ( dpsetconstrERa
                                                                                                                 => ( dpsetconstrEL1
                                                                                                                   => ( dpsetconstrEL2
                                                                                                                     => ( dpsetconstrER
                                                                                                                       => ( funcImageSingleton
                                                                                                                         => ( apProp
                                                                                                                           => ( app
                                                                                                                             => ( !! @ $i
                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                    ( !! @ $i
                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                        ( !! @ $i
                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                            ( ( in @ Y0
                                                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                    ( ( !! @ $i
                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                                                         => ( ?? @ $i
                                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                                ( ( in @ Y5
                                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                           => ( ( !! @ $i
                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                          ( ( in @ Y4
                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4972]) ).

thf(f4979,plain,
    ( $false
    = ( symdiffIneg2
     => ( secondinupair
       => ( setukpairIL
         => ( setukpairIR
           => ( kpairiskpair
             => ( kpairp
               => ( singletonsubset
                 => ( singletoninpowerset
                   => ( singletoninpowunion
                     => ( upairset2E
                       => ( upairsubunion
                         => ( upairinpowunion
                           => ( ubforcartprodlem1
                             => ( ubforcartprodlem2
                               => ( ubforcartprodlem3
                                 => ( cartprodpairin
                                   => ( cartprodmempair1
                                     => ( cartprodmempair
                                       => ( setunionE2
                                         => ( setunionsingleton1
                                           => ( setunionsingleton2
                                             => ( setunionsingleton
                                               => ( singletonprop
                                                 => ( ex1E1
                                                   => ( ex1I
                                                     => ( ex1I2
                                                       => ( singletonsuniq
                                                         => ( setukpairinjL1
                                                           => ( kfstsingleton
                                                             => ( theprop
                                                               => ( kfstpairEq
                                                                 => ( cartprodfstin
                                                                   => ( setukpairinjL2
                                                                     => ( setukpairinjL
                                                                       => ( setukpairinjR11
                                                                         => ( setukpairinjR12
                                                                           => ( setukpairinjR1
                                                                             => ( upairequniteq
                                                                               => ( setukpairinjR2
                                                                                 => ( setukpairinjR
                                                                                   => ( ksndsingleton
                                                                                     => ( ksndpairEq
                                                                                       => ( kpairsurjEq
                                                                                         => ( cartprodsndin
                                                                                           => ( cartprodpairmemEL
                                                                                             => ( cartprodpairmemER
                                                                                               => ( cartprodmempaircEq
                                                                                                 => ( cartprodfstpairEq
                                                                                                   => ( cartprodsndpairEq
                                                                                                     => ( cartprodpairsurjEq
                                                                                                       => ( dpsetconstrI
                                                                                                         => ( dpsetconstrSub
                                                                                                           => ( setOfPairsIsBReln
                                                                                                             => ( dpsetconstrERa
                                                                                                               => ( dpsetconstrEL1
                                                                                                                 => ( dpsetconstrEL2
                                                                                                                   => ( dpsetconstrER
                                                                                                                     => ( funcImageSingleton
                                                                                                                       => ( apProp
                                                                                                                         => ( app
                                                                                                                           => ( !! @ $i
                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                  ( !! @ $i
                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                      ( !! @ $i
                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                          ( ( in @ Y0
                                                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                  ( ( !! @ $i
                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                                                       => ( ?? @ $i
                                                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                                                              ( ( in @ Y5
                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                         => ( ( !! @ $i
                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                        ( ( in @ Y4
                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4975]) ).

thf(f4982,plain,
    ( $false
    = ( secondinupair
     => ( setukpairIL
       => ( setukpairIR
         => ( kpairiskpair
           => ( kpairp
             => ( singletonsubset
               => ( singletoninpowerset
                 => ( singletoninpowunion
                   => ( upairset2E
                     => ( upairsubunion
                       => ( upairinpowunion
                         => ( ubforcartprodlem1
                           => ( ubforcartprodlem2
                             => ( ubforcartprodlem3
                               => ( cartprodpairin
                                 => ( cartprodmempair1
                                   => ( cartprodmempair
                                     => ( setunionE2
                                       => ( setunionsingleton1
                                         => ( setunionsingleton2
                                           => ( setunionsingleton
                                             => ( singletonprop
                                               => ( ex1E1
                                                 => ( ex1I
                                                   => ( ex1I2
                                                     => ( singletonsuniq
                                                       => ( setukpairinjL1
                                                         => ( kfstsingleton
                                                           => ( theprop
                                                             => ( kfstpairEq
                                                               => ( cartprodfstin
                                                                 => ( setukpairinjL2
                                                                   => ( setukpairinjL
                                                                     => ( setukpairinjR11
                                                                       => ( setukpairinjR12
                                                                         => ( setukpairinjR1
                                                                           => ( upairequniteq
                                                                             => ( setukpairinjR2
                                                                               => ( setukpairinjR
                                                                                 => ( ksndsingleton
                                                                                   => ( ksndpairEq
                                                                                     => ( kpairsurjEq
                                                                                       => ( cartprodsndin
                                                                                         => ( cartprodpairmemEL
                                                                                           => ( cartprodpairmemER
                                                                                             => ( cartprodmempaircEq
                                                                                               => ( cartprodfstpairEq
                                                                                                 => ( cartprodsndpairEq
                                                                                                   => ( cartprodpairsurjEq
                                                                                                     => ( dpsetconstrI
                                                                                                       => ( dpsetconstrSub
                                                                                                         => ( setOfPairsIsBReln
                                                                                                           => ( dpsetconstrERa
                                                                                                             => ( dpsetconstrEL1
                                                                                                               => ( dpsetconstrEL2
                                                                                                                 => ( dpsetconstrER
                                                                                                                   => ( funcImageSingleton
                                                                                                                     => ( apProp
                                                                                                                       => ( app
                                                                                                                         => ( !! @ $i
                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                ( !! @ $i
                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                    ( !! @ $i
                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                        ( ( in @ Y0
                                                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                ( ( !! @ $i
                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                                                     => ( ?? @ $i
                                                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                                                            ( ( in @ Y5
                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                       => ( ( !! @ $i
                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                                                               => ( ?? @ $i
                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                      ( ( in @ Y4
                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4979]) ).

thf(f4985,plain,
    ( ( setukpairIL
     => ( setukpairIR
       => ( kpairiskpair
         => ( kpairp
           => ( singletonsubset
             => ( singletoninpowerset
               => ( singletoninpowunion
                 => ( upairset2E
                   => ( upairsubunion
                     => ( upairinpowunion
                       => ( ubforcartprodlem1
                         => ( ubforcartprodlem2
                           => ( ubforcartprodlem3
                             => ( cartprodpairin
                               => ( cartprodmempair1
                                 => ( cartprodmempair
                                   => ( setunionE2
                                     => ( setunionsingleton1
                                       => ( setunionsingleton2
                                         => ( setunionsingleton
                                           => ( singletonprop
                                             => ( ex1E1
                                               => ( ex1I
                                                 => ( ex1I2
                                                   => ( singletonsuniq
                                                     => ( setukpairinjL1
                                                       => ( kfstsingleton
                                                         => ( theprop
                                                           => ( kfstpairEq
                                                             => ( cartprodfstin
                                                               => ( setukpairinjL2
                                                                 => ( setukpairinjL
                                                                   => ( setukpairinjR11
                                                                     => ( setukpairinjR12
                                                                       => ( setukpairinjR1
                                                                         => ( upairequniteq
                                                                           => ( setukpairinjR2
                                                                             => ( setukpairinjR
                                                                               => ( ksndsingleton
                                                                                 => ( ksndpairEq
                                                                                   => ( kpairsurjEq
                                                                                     => ( cartprodsndin
                                                                                       => ( cartprodpairmemEL
                                                                                         => ( cartprodpairmemER
                                                                                           => ( cartprodmempaircEq
                                                                                             => ( cartprodfstpairEq
                                                                                               => ( cartprodsndpairEq
                                                                                                 => ( cartprodpairsurjEq
                                                                                                   => ( dpsetconstrI
                                                                                                     => ( dpsetconstrSub
                                                                                                       => ( setOfPairsIsBReln
                                                                                                         => ( dpsetconstrERa
                                                                                                           => ( dpsetconstrEL1
                                                                                                             => ( dpsetconstrEL2
                                                                                                               => ( dpsetconstrER
                                                                                                                 => ( funcImageSingleton
                                                                                                                   => ( apProp
                                                                                                                     => ( app
                                                                                                                       => ( !! @ $i
                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                              ( !! @ $i
                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                  ( !! @ $i
                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                      ( ( in @ Y0
                                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                              ( ( !! @ $i
                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                                                   => ( ?? @ $i
                                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                                          ( ( in @ Y5
                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                     => ( ( !! @ $i
                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                                                             => ( ?? @ $i
                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                    ( ( in @ Y4
                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4982]) ).

thf(f4988,plain,
    ( ( setukpairIR
     => ( kpairiskpair
       => ( kpairp
         => ( singletonsubset
           => ( singletoninpowerset
             => ( singletoninpowunion
               => ( upairset2E
                 => ( upairsubunion
                   => ( upairinpowunion
                     => ( ubforcartprodlem1
                       => ( ubforcartprodlem2
                         => ( ubforcartprodlem3
                           => ( cartprodpairin
                             => ( cartprodmempair1
                               => ( cartprodmempair
                                 => ( setunionE2
                                   => ( setunionsingleton1
                                     => ( setunionsingleton2
                                       => ( setunionsingleton
                                         => ( singletonprop
                                           => ( ex1E1
                                             => ( ex1I
                                               => ( ex1I2
                                                 => ( singletonsuniq
                                                   => ( setukpairinjL1
                                                     => ( kfstsingleton
                                                       => ( theprop
                                                         => ( kfstpairEq
                                                           => ( cartprodfstin
                                                             => ( setukpairinjL2
                                                               => ( setukpairinjL
                                                                 => ( setukpairinjR11
                                                                   => ( setukpairinjR12
                                                                     => ( setukpairinjR1
                                                                       => ( upairequniteq
                                                                         => ( setukpairinjR2
                                                                           => ( setukpairinjR
                                                                             => ( ksndsingleton
                                                                               => ( ksndpairEq
                                                                                 => ( kpairsurjEq
                                                                                   => ( cartprodsndin
                                                                                     => ( cartprodpairmemEL
                                                                                       => ( cartprodpairmemER
                                                                                         => ( cartprodmempaircEq
                                                                                           => ( cartprodfstpairEq
                                                                                             => ( cartprodsndpairEq
                                                                                               => ( cartprodpairsurjEq
                                                                                                 => ( dpsetconstrI
                                                                                                   => ( dpsetconstrSub
                                                                                                     => ( setOfPairsIsBReln
                                                                                                       => ( dpsetconstrERa
                                                                                                         => ( dpsetconstrEL1
                                                                                                           => ( dpsetconstrEL2
                                                                                                             => ( dpsetconstrER
                                                                                                               => ( funcImageSingleton
                                                                                                                 => ( apProp
                                                                                                                   => ( app
                                                                                                                     => ( !! @ $i
                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                            ( !! @ $i
                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                ( !! @ $i
                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                    ( ( in @ Y0
                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                            ( ( !! @ $i
                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                                 => ( ?? @ $i
                                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                                        ( ( in @ Y5
                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                   => ( ( !! @ $i
                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                                           => ( ?? @ $i
                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                  ( ( in @ Y4
                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4985]) ).

thf(f4991,plain,
    ( $false
    = ( kpairiskpair
     => ( kpairp
       => ( singletonsubset
         => ( singletoninpowerset
           => ( singletoninpowunion
             => ( upairset2E
               => ( upairsubunion
                 => ( upairinpowunion
                   => ( ubforcartprodlem1
                     => ( ubforcartprodlem2
                       => ( ubforcartprodlem3
                         => ( cartprodpairin
                           => ( cartprodmempair1
                             => ( cartprodmempair
                               => ( setunionE2
                                 => ( setunionsingleton1
                                   => ( setunionsingleton2
                                     => ( setunionsingleton
                                       => ( singletonprop
                                         => ( ex1E1
                                           => ( ex1I
                                             => ( ex1I2
                                               => ( singletonsuniq
                                                 => ( setukpairinjL1
                                                   => ( kfstsingleton
                                                     => ( theprop
                                                       => ( kfstpairEq
                                                         => ( cartprodfstin
                                                           => ( setukpairinjL2
                                                             => ( setukpairinjL
                                                               => ( setukpairinjR11
                                                                 => ( setukpairinjR12
                                                                   => ( setukpairinjR1
                                                                     => ( upairequniteq
                                                                       => ( setukpairinjR2
                                                                         => ( setukpairinjR
                                                                           => ( ksndsingleton
                                                                             => ( ksndpairEq
                                                                               => ( kpairsurjEq
                                                                                 => ( cartprodsndin
                                                                                   => ( cartprodpairmemEL
                                                                                     => ( cartprodpairmemER
                                                                                       => ( cartprodmempaircEq
                                                                                         => ( cartprodfstpairEq
                                                                                           => ( cartprodsndpairEq
                                                                                             => ( cartprodpairsurjEq
                                                                                               => ( dpsetconstrI
                                                                                                 => ( dpsetconstrSub
                                                                                                   => ( setOfPairsIsBReln
                                                                                                     => ( dpsetconstrERa
                                                                                                       => ( dpsetconstrEL1
                                                                                                         => ( dpsetconstrEL2
                                                                                                           => ( dpsetconstrER
                                                                                                             => ( funcImageSingleton
                                                                                                               => ( apProp
                                                                                                                 => ( app
                                                                                                                   => ( !! @ $i
                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                          ( !! @ $i
                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                              ( !! @ $i
                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                  ( ( in @ Y0
                                                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                          ( ( !! @ $i
                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                                                               => ( ?? @ $i
                                                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                                                      ( ( in @ Y5
                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                 => ( ( !! @ $i
                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                                                         => ( ?? @ $i
                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                ( ( in @ Y4
                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4988]) ).

thf(f4994,plain,
    ( ( kpairp
     => ( singletonsubset
       => ( singletoninpowerset
         => ( singletoninpowunion
           => ( upairset2E
             => ( upairsubunion
               => ( upairinpowunion
                 => ( ubforcartprodlem1
                   => ( ubforcartprodlem2
                     => ( ubforcartprodlem3
                       => ( cartprodpairin
                         => ( cartprodmempair1
                           => ( cartprodmempair
                             => ( setunionE2
                               => ( setunionsingleton1
                                 => ( setunionsingleton2
                                   => ( setunionsingleton
                                     => ( singletonprop
                                       => ( ex1E1
                                         => ( ex1I
                                           => ( ex1I2
                                             => ( singletonsuniq
                                               => ( setukpairinjL1
                                                 => ( kfstsingleton
                                                   => ( theprop
                                                     => ( kfstpairEq
                                                       => ( cartprodfstin
                                                         => ( setukpairinjL2
                                                           => ( setukpairinjL
                                                             => ( setukpairinjR11
                                                               => ( setukpairinjR12
                                                                 => ( setukpairinjR1
                                                                   => ( upairequniteq
                                                                     => ( setukpairinjR2
                                                                       => ( setukpairinjR
                                                                         => ( ksndsingleton
                                                                           => ( ksndpairEq
                                                                             => ( kpairsurjEq
                                                                               => ( cartprodsndin
                                                                                 => ( cartprodpairmemEL
                                                                                   => ( cartprodpairmemER
                                                                                     => ( cartprodmempaircEq
                                                                                       => ( cartprodfstpairEq
                                                                                         => ( cartprodsndpairEq
                                                                                           => ( cartprodpairsurjEq
                                                                                             => ( dpsetconstrI
                                                                                               => ( dpsetconstrSub
                                                                                                 => ( setOfPairsIsBReln
                                                                                                   => ( dpsetconstrERa
                                                                                                     => ( dpsetconstrEL1
                                                                                                       => ( dpsetconstrEL2
                                                                                                         => ( dpsetconstrER
                                                                                                           => ( funcImageSingleton
                                                                                                             => ( apProp
                                                                                                               => ( app
                                                                                                                 => ( !! @ $i
                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                        ( !! @ $i
                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                            ( !! @ $i
                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                ( ( in @ Y0
                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                        ( ( !! @ $i
                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                                             => ( ?? @ $i
                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                               => ( ( !! @ $i
                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                                       => ( ?? @ $i
                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                              ( ( in @ Y4
                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4991]) ).

thf(f4997,plain,
    ( ( singletonsubset
     => ( singletoninpowerset
       => ( singletoninpowunion
         => ( upairset2E
           => ( upairsubunion
             => ( upairinpowunion
               => ( ubforcartprodlem1
                 => ( ubforcartprodlem2
                   => ( ubforcartprodlem3
                     => ( cartprodpairin
                       => ( cartprodmempair1
                         => ( cartprodmempair
                           => ( setunionE2
                             => ( setunionsingleton1
                               => ( setunionsingleton2
                                 => ( setunionsingleton
                                   => ( singletonprop
                                     => ( ex1E1
                                       => ( ex1I
                                         => ( ex1I2
                                           => ( singletonsuniq
                                             => ( setukpairinjL1
                                               => ( kfstsingleton
                                                 => ( theprop
                                                   => ( kfstpairEq
                                                     => ( cartprodfstin
                                                       => ( setukpairinjL2
                                                         => ( setukpairinjL
                                                           => ( setukpairinjR11
                                                             => ( setukpairinjR12
                                                               => ( setukpairinjR1
                                                                 => ( upairequniteq
                                                                   => ( setukpairinjR2
                                                                     => ( setukpairinjR
                                                                       => ( ksndsingleton
                                                                         => ( ksndpairEq
                                                                           => ( kpairsurjEq
                                                                             => ( cartprodsndin
                                                                               => ( cartprodpairmemEL
                                                                                 => ( cartprodpairmemER
                                                                                   => ( cartprodmempaircEq
                                                                                     => ( cartprodfstpairEq
                                                                                       => ( cartprodsndpairEq
                                                                                         => ( cartprodpairsurjEq
                                                                                           => ( dpsetconstrI
                                                                                             => ( dpsetconstrSub
                                                                                               => ( setOfPairsIsBReln
                                                                                                 => ( dpsetconstrERa
                                                                                                   => ( dpsetconstrEL1
                                                                                                     => ( dpsetconstrEL2
                                                                                                       => ( dpsetconstrER
                                                                                                         => ( funcImageSingleton
                                                                                                           => ( apProp
                                                                                                             => ( app
                                                                                                               => ( !! @ $i
                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                      ( !! @ $i
                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                          ( !! @ $i
                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                              ( ( in @ Y0
                                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                      ( ( !! @ $i
                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                                           => ( ?? @ $i
                                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                                  ( ( in @ Y5
                                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                             => ( ( !! @ $i
                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                                     => ( ?? @ $i
                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                            ( ( in @ Y4
                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4994]) ).

thf(f4999,plain,
    ( $false
    = ( singletoninpowerset
     => ( singletoninpowunion
       => ( upairset2E
         => ( upairsubunion
           => ( upairinpowunion
             => ( ubforcartprodlem1
               => ( ubforcartprodlem2
                 => ( ubforcartprodlem3
                   => ( cartprodpairin
                     => ( cartprodmempair1
                       => ( cartprodmempair
                         => ( setunionE2
                           => ( setunionsingleton1
                             => ( setunionsingleton2
                               => ( setunionsingleton
                                 => ( singletonprop
                                   => ( ex1E1
                                     => ( ex1I
                                       => ( ex1I2
                                         => ( singletonsuniq
                                           => ( setukpairinjL1
                                             => ( kfstsingleton
                                               => ( theprop
                                                 => ( kfstpairEq
                                                   => ( cartprodfstin
                                                     => ( setukpairinjL2
                                                       => ( setukpairinjL
                                                         => ( setukpairinjR11
                                                           => ( setukpairinjR12
                                                             => ( setukpairinjR1
                                                               => ( upairequniteq
                                                                 => ( setukpairinjR2
                                                                   => ( setukpairinjR
                                                                     => ( ksndsingleton
                                                                       => ( ksndpairEq
                                                                         => ( kpairsurjEq
                                                                           => ( cartprodsndin
                                                                             => ( cartprodpairmemEL
                                                                               => ( cartprodpairmemER
                                                                                 => ( cartprodmempaircEq
                                                                                   => ( cartprodfstpairEq
                                                                                     => ( cartprodsndpairEq
                                                                                       => ( cartprodpairsurjEq
                                                                                         => ( dpsetconstrI
                                                                                           => ( dpsetconstrSub
                                                                                             => ( setOfPairsIsBReln
                                                                                               => ( dpsetconstrERa
                                                                                                 => ( dpsetconstrEL1
                                                                                                   => ( dpsetconstrEL2
                                                                                                     => ( dpsetconstrER
                                                                                                       => ( funcImageSingleton
                                                                                                         => ( apProp
                                                                                                           => ( app
                                                                                                             => ( !! @ $i
                                                                                                                @ ^ [Y0: $i] :
                                                                                                                    ( !! @ $i
                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                        ( !! @ $i
                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                            ( ( in @ Y0
                                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                    ( ( !! @ $i
                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                                         => ( ?? @ $i
                                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                                ( ( in @ Y5
                                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                           => ( ( !! @ $i
                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                                   => ( ?? @ $i
                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                          ( ( in @ Y4
                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4997]) ).

thf(f5003,plain,
    ( $false
    = ( singletoninpowunion
     => ( upairset2E
       => ( upairsubunion
         => ( upairinpowunion
           => ( ubforcartprodlem1
             => ( ubforcartprodlem2
               => ( ubforcartprodlem3
                 => ( cartprodpairin
                   => ( cartprodmempair1
                     => ( cartprodmempair
                       => ( setunionE2
                         => ( setunionsingleton1
                           => ( setunionsingleton2
                             => ( setunionsingleton
                               => ( singletonprop
                                 => ( ex1E1
                                   => ( ex1I
                                     => ( ex1I2
                                       => ( singletonsuniq
                                         => ( setukpairinjL1
                                           => ( kfstsingleton
                                             => ( theprop
                                               => ( kfstpairEq
                                                 => ( cartprodfstin
                                                   => ( setukpairinjL2
                                                     => ( setukpairinjL
                                                       => ( setukpairinjR11
                                                         => ( setukpairinjR12
                                                           => ( setukpairinjR1
                                                             => ( upairequniteq
                                                               => ( setukpairinjR2
                                                                 => ( setukpairinjR
                                                                   => ( ksndsingleton
                                                                     => ( ksndpairEq
                                                                       => ( kpairsurjEq
                                                                         => ( cartprodsndin
                                                                           => ( cartprodpairmemEL
                                                                             => ( cartprodpairmemER
                                                                               => ( cartprodmempaircEq
                                                                                 => ( cartprodfstpairEq
                                                                                   => ( cartprodsndpairEq
                                                                                     => ( cartprodpairsurjEq
                                                                                       => ( dpsetconstrI
                                                                                         => ( dpsetconstrSub
                                                                                           => ( setOfPairsIsBReln
                                                                                             => ( dpsetconstrERa
                                                                                               => ( dpsetconstrEL1
                                                                                                 => ( dpsetconstrEL2
                                                                                                   => ( dpsetconstrER
                                                                                                     => ( funcImageSingleton
                                                                                                       => ( apProp
                                                                                                         => ( app
                                                                                                           => ( !! @ $i
                                                                                                              @ ^ [Y0: $i] :
                                                                                                                  ( !! @ $i
                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                      ( !! @ $i
                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                          ( ( in @ Y0
                                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                  ( ( !! @ $i
                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                                       => ( ?? @ $i
                                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                                              ( ( in @ Y5
                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                         => ( ( !! @ $i
                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                                 => ( ?? @ $i
                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                        ( ( in @ Y4
                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4999]) ).

thf(f5006,plain,
    ( $false
    = ( upairset2E
     => ( upairsubunion
       => ( upairinpowunion
         => ( ubforcartprodlem1
           => ( ubforcartprodlem2
             => ( ubforcartprodlem3
               => ( cartprodpairin
                 => ( cartprodmempair1
                   => ( cartprodmempair
                     => ( setunionE2
                       => ( setunionsingleton1
                         => ( setunionsingleton2
                           => ( setunionsingleton
                             => ( singletonprop
                               => ( ex1E1
                                 => ( ex1I
                                   => ( ex1I2
                                     => ( singletonsuniq
                                       => ( setukpairinjL1
                                         => ( kfstsingleton
                                           => ( theprop
                                             => ( kfstpairEq
                                               => ( cartprodfstin
                                                 => ( setukpairinjL2
                                                   => ( setukpairinjL
                                                     => ( setukpairinjR11
                                                       => ( setukpairinjR12
                                                         => ( setukpairinjR1
                                                           => ( upairequniteq
                                                             => ( setukpairinjR2
                                                               => ( setukpairinjR
                                                                 => ( ksndsingleton
                                                                   => ( ksndpairEq
                                                                     => ( kpairsurjEq
                                                                       => ( cartprodsndin
                                                                         => ( cartprodpairmemEL
                                                                           => ( cartprodpairmemER
                                                                             => ( cartprodmempaircEq
                                                                               => ( cartprodfstpairEq
                                                                                 => ( cartprodsndpairEq
                                                                                   => ( cartprodpairsurjEq
                                                                                     => ( dpsetconstrI
                                                                                       => ( dpsetconstrSub
                                                                                         => ( setOfPairsIsBReln
                                                                                           => ( dpsetconstrERa
                                                                                             => ( dpsetconstrEL1
                                                                                               => ( dpsetconstrEL2
                                                                                                 => ( dpsetconstrER
                                                                                                   => ( funcImageSingleton
                                                                                                     => ( apProp
                                                                                                       => ( app
                                                                                                         => ( !! @ $i
                                                                                                            @ ^ [Y0: $i] :
                                                                                                                ( !! @ $i
                                                                                                                @ ^ [Y1: $i] :
                                                                                                                    ( !! @ $i
                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                        ( ( in @ Y0
                                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                ( ( !! @ $i
                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                                     => ( ?? @ $i
                                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                                            ( ( in @ Y5
                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                       => ( ( !! @ $i
                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                                               => ( ?? @ $i
                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                      ( ( in @ Y4
                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5003]) ).

thf(f5008,plain,
    ( $false
    = ( upairsubunion
     => ( upairinpowunion
       => ( ubforcartprodlem1
         => ( ubforcartprodlem2
           => ( ubforcartprodlem3
             => ( cartprodpairin
               => ( cartprodmempair1
                 => ( cartprodmempair
                   => ( setunionE2
                     => ( setunionsingleton1
                       => ( setunionsingleton2
                         => ( setunionsingleton
                           => ( singletonprop
                             => ( ex1E1
                               => ( ex1I
                                 => ( ex1I2
                                   => ( singletonsuniq
                                     => ( setukpairinjL1
                                       => ( kfstsingleton
                                         => ( theprop
                                           => ( kfstpairEq
                                             => ( cartprodfstin
                                               => ( setukpairinjL2
                                                 => ( setukpairinjL
                                                   => ( setukpairinjR11
                                                     => ( setukpairinjR12
                                                       => ( setukpairinjR1
                                                         => ( upairequniteq
                                                           => ( setukpairinjR2
                                                             => ( setukpairinjR
                                                               => ( ksndsingleton
                                                                 => ( ksndpairEq
                                                                   => ( kpairsurjEq
                                                                     => ( cartprodsndin
                                                                       => ( cartprodpairmemEL
                                                                         => ( cartprodpairmemER
                                                                           => ( cartprodmempaircEq
                                                                             => ( cartprodfstpairEq
                                                                               => ( cartprodsndpairEq
                                                                                 => ( cartprodpairsurjEq
                                                                                   => ( dpsetconstrI
                                                                                     => ( dpsetconstrSub
                                                                                       => ( setOfPairsIsBReln
                                                                                         => ( dpsetconstrERa
                                                                                           => ( dpsetconstrEL1
                                                                                             => ( dpsetconstrEL2
                                                                                               => ( dpsetconstrER
                                                                                                 => ( funcImageSingleton
                                                                                                   => ( apProp
                                                                                                     => ( app
                                                                                                       => ( !! @ $i
                                                                                                          @ ^ [Y0: $i] :
                                                                                                              ( !! @ $i
                                                                                                              @ ^ [Y1: $i] :
                                                                                                                  ( !! @ $i
                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                      ( ( in @ Y0
                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                              ( ( !! @ $i
                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                                   => ( ?? @ $i
                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                          ( ( in @ Y5
                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                     => ( ( !! @ $i
                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                                             => ( ?? @ $i
                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                    ( ( in @ Y4
                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5006]) ).

thf(f5012,plain,
    ( $false
    = ( upairinpowunion
     => ( ubforcartprodlem1
       => ( ubforcartprodlem2
         => ( ubforcartprodlem3
           => ( cartprodpairin
             => ( cartprodmempair1
               => ( cartprodmempair
                 => ( setunionE2
                   => ( setunionsingleton1
                     => ( setunionsingleton2
                       => ( setunionsingleton
                         => ( singletonprop
                           => ( ex1E1
                             => ( ex1I
                               => ( ex1I2
                                 => ( singletonsuniq
                                   => ( setukpairinjL1
                                     => ( kfstsingleton
                                       => ( theprop
                                         => ( kfstpairEq
                                           => ( cartprodfstin
                                             => ( setukpairinjL2
                                               => ( setukpairinjL
                                                 => ( setukpairinjR11
                                                   => ( setukpairinjR12
                                                     => ( setukpairinjR1
                                                       => ( upairequniteq
                                                         => ( setukpairinjR2
                                                           => ( setukpairinjR
                                                             => ( ksndsingleton
                                                               => ( ksndpairEq
                                                                 => ( kpairsurjEq
                                                                   => ( cartprodsndin
                                                                     => ( cartprodpairmemEL
                                                                       => ( cartprodpairmemER
                                                                         => ( cartprodmempaircEq
                                                                           => ( cartprodfstpairEq
                                                                             => ( cartprodsndpairEq
                                                                               => ( cartprodpairsurjEq
                                                                                 => ( dpsetconstrI
                                                                                   => ( dpsetconstrSub
                                                                                     => ( setOfPairsIsBReln
                                                                                       => ( dpsetconstrERa
                                                                                         => ( dpsetconstrEL1
                                                                                           => ( dpsetconstrEL2
                                                                                             => ( dpsetconstrER
                                                                                               => ( funcImageSingleton
                                                                                                 => ( apProp
                                                                                                   => ( app
                                                                                                     => ( !! @ $i
                                                                                                        @ ^ [Y0: $i] :
                                                                                                            ( !! @ $i
                                                                                                            @ ^ [Y1: $i] :
                                                                                                                ( !! @ $i
                                                                                                                @ ^ [Y2: $i] :
                                                                                                                    ( ( in @ Y0
                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                            ( ( !! @ $i
                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                                 => ( ?? @ $i
                                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                                        ( ( in @ Y5
                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                   => ( ( !! @ $i
                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                                           => ( ?? @ $i
                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                  ( ( in @ Y4
                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5008]) ).

thf(f5014,plain,
    ( $false
    = ( ubforcartprodlem1
     => ( ubforcartprodlem2
       => ( ubforcartprodlem3
         => ( cartprodpairin
           => ( cartprodmempair1
             => ( cartprodmempair
               => ( setunionE2
                 => ( setunionsingleton1
                   => ( setunionsingleton2
                     => ( setunionsingleton
                       => ( singletonprop
                         => ( ex1E1
                           => ( ex1I
                             => ( ex1I2
                               => ( singletonsuniq
                                 => ( setukpairinjL1
                                   => ( kfstsingleton
                                     => ( theprop
                                       => ( kfstpairEq
                                         => ( cartprodfstin
                                           => ( setukpairinjL2
                                             => ( setukpairinjL
                                               => ( setukpairinjR11
                                                 => ( setukpairinjR12
                                                   => ( setukpairinjR1
                                                     => ( upairequniteq
                                                       => ( setukpairinjR2
                                                         => ( setukpairinjR
                                                           => ( ksndsingleton
                                                             => ( ksndpairEq
                                                               => ( kpairsurjEq
                                                                 => ( cartprodsndin
                                                                   => ( cartprodpairmemEL
                                                                     => ( cartprodpairmemER
                                                                       => ( cartprodmempaircEq
                                                                         => ( cartprodfstpairEq
                                                                           => ( cartprodsndpairEq
                                                                             => ( cartprodpairsurjEq
                                                                               => ( dpsetconstrI
                                                                                 => ( dpsetconstrSub
                                                                                   => ( setOfPairsIsBReln
                                                                                     => ( dpsetconstrERa
                                                                                       => ( dpsetconstrEL1
                                                                                         => ( dpsetconstrEL2
                                                                                           => ( dpsetconstrER
                                                                                             => ( funcImageSingleton
                                                                                               => ( apProp
                                                                                                 => ( app
                                                                                                   => ( !! @ $i
                                                                                                      @ ^ [Y0: $i] :
                                                                                                          ( !! @ $i
                                                                                                          @ ^ [Y1: $i] :
                                                                                                              ( !! @ $i
                                                                                                              @ ^ [Y2: $i] :
                                                                                                                  ( ( in @ Y0
                                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                          ( ( !! @ $i
                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                                               => ( ?? @ $i
                                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                                      ( ( in @ Y5
                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                                 => ( ( !! @ $i
                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                                         => ( ?? @ $i
                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                ( ( in @ Y4
                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5012]) ).

thf(f5017,plain,
    ( $false
    = ( ubforcartprodlem2
     => ( ubforcartprodlem3
       => ( cartprodpairin
         => ( cartprodmempair1
           => ( cartprodmempair
             => ( setunionE2
               => ( setunionsingleton1
                 => ( setunionsingleton2
                   => ( setunionsingleton
                     => ( singletonprop
                       => ( ex1E1
                         => ( ex1I
                           => ( ex1I2
                             => ( singletonsuniq
                               => ( setukpairinjL1
                                 => ( kfstsingleton
                                   => ( theprop
                                     => ( kfstpairEq
                                       => ( cartprodfstin
                                         => ( setukpairinjL2
                                           => ( setukpairinjL
                                             => ( setukpairinjR11
                                               => ( setukpairinjR12
                                                 => ( setukpairinjR1
                                                   => ( upairequniteq
                                                     => ( setukpairinjR2
                                                       => ( setukpairinjR
                                                         => ( ksndsingleton
                                                           => ( ksndpairEq
                                                             => ( kpairsurjEq
                                                               => ( cartprodsndin
                                                                 => ( cartprodpairmemEL
                                                                   => ( cartprodpairmemER
                                                                     => ( cartprodmempaircEq
                                                                       => ( cartprodfstpairEq
                                                                         => ( cartprodsndpairEq
                                                                           => ( cartprodpairsurjEq
                                                                             => ( dpsetconstrI
                                                                               => ( dpsetconstrSub
                                                                                 => ( setOfPairsIsBReln
                                                                                   => ( dpsetconstrERa
                                                                                     => ( dpsetconstrEL1
                                                                                       => ( dpsetconstrEL2
                                                                                         => ( dpsetconstrER
                                                                                           => ( funcImageSingleton
                                                                                             => ( apProp
                                                                                               => ( app
                                                                                                 => ( !! @ $i
                                                                                                    @ ^ [Y0: $i] :
                                                                                                        ( !! @ $i
                                                                                                        @ ^ [Y1: $i] :
                                                                                                            ( !! @ $i
                                                                                                            @ ^ [Y2: $i] :
                                                                                                                ( ( in @ Y0
                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                        ( ( !! @ $i
                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                                             => ( ?? @ $i
                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                    ( ( in @ Y5
                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                               => ( ( !! @ $i
                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                                       => ( ?? @ $i
                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                              ( ( in @ Y4
                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5014]) ).

thf(f5021,plain,
    ( ( ubforcartprodlem3
     => ( cartprodpairin
       => ( cartprodmempair1
         => ( cartprodmempair
           => ( setunionE2
             => ( setunionsingleton1
               => ( setunionsingleton2
                 => ( setunionsingleton
                   => ( singletonprop
                     => ( ex1E1
                       => ( ex1I
                         => ( ex1I2
                           => ( singletonsuniq
                             => ( setukpairinjL1
                               => ( kfstsingleton
                                 => ( theprop
                                   => ( kfstpairEq
                                     => ( cartprodfstin
                                       => ( setukpairinjL2
                                         => ( setukpairinjL
                                           => ( setukpairinjR11
                                             => ( setukpairinjR12
                                               => ( setukpairinjR1
                                                 => ( upairequniteq
                                                   => ( setukpairinjR2
                                                     => ( setukpairinjR
                                                       => ( ksndsingleton
                                                         => ( ksndpairEq
                                                           => ( kpairsurjEq
                                                             => ( cartprodsndin
                                                               => ( cartprodpairmemEL
                                                                 => ( cartprodpairmemER
                                                                   => ( cartprodmempaircEq
                                                                     => ( cartprodfstpairEq
                                                                       => ( cartprodsndpairEq
                                                                         => ( cartprodpairsurjEq
                                                                           => ( dpsetconstrI
                                                                             => ( dpsetconstrSub
                                                                               => ( setOfPairsIsBReln
                                                                                 => ( dpsetconstrERa
                                                                                   => ( dpsetconstrEL1
                                                                                     => ( dpsetconstrEL2
                                                                                       => ( dpsetconstrER
                                                                                         => ( funcImageSingleton
                                                                                           => ( apProp
                                                                                             => ( app
                                                                                               => ( !! @ $i
                                                                                                  @ ^ [Y0: $i] :
                                                                                                      ( !! @ $i
                                                                                                      @ ^ [Y1: $i] :
                                                                                                          ( !! @ $i
                                                                                                          @ ^ [Y2: $i] :
                                                                                                              ( ( in @ Y0
                                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                      ( ( !! @ $i
                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                                           => ( ?? @ $i
                                                                                                                              @ ^ [Y5: $i] :
                                                                                                                                  ( ( in @ Y5
                                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                             => ( ( !! @ $i
                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                                     => ( ?? @ $i
                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                            ( ( in @ Y4
                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f5017]) ).

thf(f5024,plain,
    ( $false
    = ( cartprodpairin
     => ( cartprodmempair1
       => ( cartprodmempair
         => ( setunionE2
           => ( setunionsingleton1
             => ( setunionsingleton2
               => ( setunionsingleton
                 => ( singletonprop
                   => ( ex1E1
                     => ( ex1I
                       => ( ex1I2
                         => ( singletonsuniq
                           => ( setukpairinjL1
                             => ( kfstsingleton
                               => ( theprop
                                 => ( kfstpairEq
                                   => ( cartprodfstin
                                     => ( setukpairinjL2
                                       => ( setukpairinjL
                                         => ( setukpairinjR11
                                           => ( setukpairinjR12
                                             => ( setukpairinjR1
                                               => ( upairequniteq
                                                 => ( setukpairinjR2
                                                   => ( setukpairinjR
                                                     => ( ksndsingleton
                                                       => ( ksndpairEq
                                                         => ( kpairsurjEq
                                                           => ( cartprodsndin
                                                             => ( cartprodpairmemEL
                                                               => ( cartprodpairmemER
                                                                 => ( cartprodmempaircEq
                                                                   => ( cartprodfstpairEq
                                                                     => ( cartprodsndpairEq
                                                                       => ( cartprodpairsurjEq
                                                                         => ( dpsetconstrI
                                                                           => ( dpsetconstrSub
                                                                             => ( setOfPairsIsBReln
                                                                               => ( dpsetconstrERa
                                                                                 => ( dpsetconstrEL1
                                                                                   => ( dpsetconstrEL2
                                                                                     => ( dpsetconstrER
                                                                                       => ( funcImageSingleton
                                                                                         => ( apProp
                                                                                           => ( app
                                                                                             => ( !! @ $i
                                                                                                @ ^ [Y0: $i] :
                                                                                                    ( !! @ $i
                                                                                                    @ ^ [Y1: $i] :
                                                                                                        ( !! @ $i
                                                                                                        @ ^ [Y2: $i] :
                                                                                                            ( ( in @ Y0
                                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                                @ ^ [Y3: $i] :
                                                                                                                    ( ( !! @ $i
                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                                         => ( ?? @ $i
                                                                                                                            @ ^ [Y5: $i] :
                                                                                                                                ( ( in @ Y5
                                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                           => ( ( !! @ $i
                                                                                                                @ ^ [Y3: $i] :
                                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                                   => ( ?? @ $i
                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                          ( ( in @ Y4
                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5021]) ).

thf(f5026,plain,
    ( ( cartprodmempair1
     => ( cartprodmempair
       => ( setunionE2
         => ( setunionsingleton1
           => ( setunionsingleton2
             => ( setunionsingleton
               => ( singletonprop
                 => ( ex1E1
                   => ( ex1I
                     => ( ex1I2
                       => ( singletonsuniq
                         => ( setukpairinjL1
                           => ( kfstsingleton
                             => ( theprop
                               => ( kfstpairEq
                                 => ( cartprodfstin
                                   => ( setukpairinjL2
                                     => ( setukpairinjL
                                       => ( setukpairinjR11
                                         => ( setukpairinjR12
                                           => ( setukpairinjR1
                                             => ( upairequniteq
                                               => ( setukpairinjR2
                                                 => ( setukpairinjR
                                                   => ( ksndsingleton
                                                     => ( ksndpairEq
                                                       => ( kpairsurjEq
                                                         => ( cartprodsndin
                                                           => ( cartprodpairmemEL
                                                             => ( cartprodpairmemER
                                                               => ( cartprodmempaircEq
                                                                 => ( cartprodfstpairEq
                                                                   => ( cartprodsndpairEq
                                                                     => ( cartprodpairsurjEq
                                                                       => ( dpsetconstrI
                                                                         => ( dpsetconstrSub
                                                                           => ( setOfPairsIsBReln
                                                                             => ( dpsetconstrERa
                                                                               => ( dpsetconstrEL1
                                                                                 => ( dpsetconstrEL2
                                                                                   => ( dpsetconstrER
                                                                                     => ( funcImageSingleton
                                                                                       => ( apProp
                                                                                         => ( app
                                                                                           => ( !! @ $i
                                                                                              @ ^ [Y0: $i] :
                                                                                                  ( !! @ $i
                                                                                                  @ ^ [Y1: $i] :
                                                                                                      ( !! @ $i
                                                                                                      @ ^ [Y2: $i] :
                                                                                                          ( ( in @ Y0
                                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                              @ ^ [Y3: $i] :
                                                                                                                  ( ( !! @ $i
                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                                       => ( ?? @ $i
                                                                                                                          @ ^ [Y5: $i] :
                                                                                                                              ( ( in @ Y5
                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                                = ( dsetconstr @ Y1
                                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                         => ( ( !! @ $i
                                                                                                              @ ^ [Y3: $i] :
                                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                                 => ( ?? @ $i
                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                        ( ( in @ Y4
                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f5024]) ).

thf(f5029,plain,
    ( $false
    = ( cartprodmempair
     => ( setunionE2
       => ( setunionsingleton1
         => ( setunionsingleton2
           => ( setunionsingleton
             => ( singletonprop
               => ( ex1E1
                 => ( ex1I
                   => ( ex1I2
                     => ( singletonsuniq
                       => ( setukpairinjL1
                         => ( kfstsingleton
                           => ( theprop
                             => ( kfstpairEq
                               => ( cartprodfstin
                                 => ( setukpairinjL2
                                   => ( setukpairinjL
                                     => ( setukpairinjR11
                                       => ( setukpairinjR12
                                         => ( setukpairinjR1
                                           => ( upairequniteq
                                             => ( setukpairinjR2
                                               => ( setukpairinjR
                                                 => ( ksndsingleton
                                                   => ( ksndpairEq
                                                     => ( kpairsurjEq
                                                       => ( cartprodsndin
                                                         => ( cartprodpairmemEL
                                                           => ( cartprodpairmemER
                                                             => ( cartprodmempaircEq
                                                               => ( cartprodfstpairEq
                                                                 => ( cartprodsndpairEq
                                                                   => ( cartprodpairsurjEq
                                                                     => ( dpsetconstrI
                                                                       => ( dpsetconstrSub
                                                                         => ( setOfPairsIsBReln
                                                                           => ( dpsetconstrERa
                                                                             => ( dpsetconstrEL1
                                                                               => ( dpsetconstrEL2
                                                                                 => ( dpsetconstrER
                                                                                   => ( funcImageSingleton
                                                                                     => ( apProp
                                                                                       => ( app
                                                                                         => ( !! @ $i
                                                                                            @ ^ [Y0: $i] :
                                                                                                ( !! @ $i
                                                                                                @ ^ [Y1: $i] :
                                                                                                    ( !! @ $i
                                                                                                    @ ^ [Y2: $i] :
                                                                                                        ( ( in @ Y0
                                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                            @ ^ [Y3: $i] :
                                                                                                                ( ( !! @ $i
                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                                     => ( ?? @ $i
                                                                                                                        @ ^ [Y5: $i] :
                                                                                                                            ( ( in @ Y5
                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                              = ( dsetconstr @ Y1
                                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                       => ( ( !! @ $i
                                                                                                            @ ^ [Y3: $i] :
                                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                                               => ( ?? @ $i
                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                      ( ( in @ Y4
                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5026]) ).

thf(f5032,plain,
    ( $false
    = ( setunionE2
     => ( setunionsingleton1
       => ( setunionsingleton2
         => ( setunionsingleton
           => ( singletonprop
             => ( ex1E1
               => ( ex1I
                 => ( ex1I2
                   => ( singletonsuniq
                     => ( setukpairinjL1
                       => ( kfstsingleton
                         => ( theprop
                           => ( kfstpairEq
                             => ( cartprodfstin
                               => ( setukpairinjL2
                                 => ( setukpairinjL
                                   => ( setukpairinjR11
                                     => ( setukpairinjR12
                                       => ( setukpairinjR1
                                         => ( upairequniteq
                                           => ( setukpairinjR2
                                             => ( setukpairinjR
                                               => ( ksndsingleton
                                                 => ( ksndpairEq
                                                   => ( kpairsurjEq
                                                     => ( cartprodsndin
                                                       => ( cartprodpairmemEL
                                                         => ( cartprodpairmemER
                                                           => ( cartprodmempaircEq
                                                             => ( cartprodfstpairEq
                                                               => ( cartprodsndpairEq
                                                                 => ( cartprodpairsurjEq
                                                                   => ( dpsetconstrI
                                                                     => ( dpsetconstrSub
                                                                       => ( setOfPairsIsBReln
                                                                         => ( dpsetconstrERa
                                                                           => ( dpsetconstrEL1
                                                                             => ( dpsetconstrEL2
                                                                               => ( dpsetconstrER
                                                                                 => ( funcImageSingleton
                                                                                   => ( apProp
                                                                                     => ( app
                                                                                       => ( !! @ $i
                                                                                          @ ^ [Y0: $i] :
                                                                                              ( !! @ $i
                                                                                              @ ^ [Y1: $i] :
                                                                                                  ( !! @ $i
                                                                                                  @ ^ [Y2: $i] :
                                                                                                      ( ( in @ Y0
                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                          @ ^ [Y3: $i] :
                                                                                                              ( ( !! @ $i
                                                                                                                @ ^ [Y4: $i] :
                                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                                   => ( ?? @ $i
                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                          ( ( in @ Y5
                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                            = ( dsetconstr @ Y1
                                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                     => ( ( !! @ $i
                                                                                                          @ ^ [Y3: $i] :
                                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                                             => ( ?? @ $i
                                                                                                                @ ^ [Y4: $i] :
                                                                                                                    ( ( in @ Y4
                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5029]) ).

thf(f5035,plain,
    ( $false
    = ( setunionsingleton1
     => ( setunionsingleton2
       => ( setunionsingleton
         => ( singletonprop
           => ( ex1E1
             => ( ex1I
               => ( ex1I2
                 => ( singletonsuniq
                   => ( setukpairinjL1
                     => ( kfstsingleton
                       => ( theprop
                         => ( kfstpairEq
                           => ( cartprodfstin
                             => ( setukpairinjL2
                               => ( setukpairinjL
                                 => ( setukpairinjR11
                                   => ( setukpairinjR12
                                     => ( setukpairinjR1
                                       => ( upairequniteq
                                         => ( setukpairinjR2
                                           => ( setukpairinjR
                                             => ( ksndsingleton
                                               => ( ksndpairEq
                                                 => ( kpairsurjEq
                                                   => ( cartprodsndin
                                                     => ( cartprodpairmemEL
                                                       => ( cartprodpairmemER
                                                         => ( cartprodmempaircEq
                                                           => ( cartprodfstpairEq
                                                             => ( cartprodsndpairEq
                                                               => ( cartprodpairsurjEq
                                                                 => ( dpsetconstrI
                                                                   => ( dpsetconstrSub
                                                                     => ( setOfPairsIsBReln
                                                                       => ( dpsetconstrERa
                                                                         => ( dpsetconstrEL1
                                                                           => ( dpsetconstrEL2
                                                                             => ( dpsetconstrER
                                                                               => ( funcImageSingleton
                                                                                 => ( apProp
                                                                                   => ( app
                                                                                     => ( !! @ $i
                                                                                        @ ^ [Y0: $i] :
                                                                                            ( !! @ $i
                                                                                            @ ^ [Y1: $i] :
                                                                                                ( !! @ $i
                                                                                                @ ^ [Y2: $i] :
                                                                                                    ( ( in @ Y0
                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                        @ ^ [Y3: $i] :
                                                                                                            ( ( !! @ $i
                                                                                                              @ ^ [Y4: $i] :
                                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                                 => ( ?? @ $i
                                                                                                                    @ ^ [Y5: $i] :
                                                                                                                        ( ( in @ Y5
                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                          = ( dsetconstr @ Y1
                                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                   => ( ( !! @ $i
                                                                                                        @ ^ [Y3: $i] :
                                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                                           => ( ?? @ $i
                                                                                                              @ ^ [Y4: $i] :
                                                                                                                  ( ( in @ Y4
                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5032]) ).

thf(f5039,plain,
    ( ( setunionsingleton2
     => ( setunionsingleton
       => ( singletonprop
         => ( ex1E1
           => ( ex1I
             => ( ex1I2
               => ( singletonsuniq
                 => ( setukpairinjL1
                   => ( kfstsingleton
                     => ( theprop
                       => ( kfstpairEq
                         => ( cartprodfstin
                           => ( setukpairinjL2
                             => ( setukpairinjL
                               => ( setukpairinjR11
                                 => ( setukpairinjR12
                                   => ( setukpairinjR1
                                     => ( upairequniteq
                                       => ( setukpairinjR2
                                         => ( setukpairinjR
                                           => ( ksndsingleton
                                             => ( ksndpairEq
                                               => ( kpairsurjEq
                                                 => ( cartprodsndin
                                                   => ( cartprodpairmemEL
                                                     => ( cartprodpairmemER
                                                       => ( cartprodmempaircEq
                                                         => ( cartprodfstpairEq
                                                           => ( cartprodsndpairEq
                                                             => ( cartprodpairsurjEq
                                                               => ( dpsetconstrI
                                                                 => ( dpsetconstrSub
                                                                   => ( setOfPairsIsBReln
                                                                     => ( dpsetconstrERa
                                                                       => ( dpsetconstrEL1
                                                                         => ( dpsetconstrEL2
                                                                           => ( dpsetconstrER
                                                                             => ( funcImageSingleton
                                                                               => ( apProp
                                                                                 => ( app
                                                                                   => ( !! @ $i
                                                                                      @ ^ [Y0: $i] :
                                                                                          ( !! @ $i
                                                                                          @ ^ [Y1: $i] :
                                                                                              ( !! @ $i
                                                                                              @ ^ [Y2: $i] :
                                                                                                  ( ( in @ Y0
                                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                      @ ^ [Y3: $i] :
                                                                                                          ( ( !! @ $i
                                                                                                            @ ^ [Y4: $i] :
                                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                                               => ( ?? @ $i
                                                                                                                  @ ^ [Y5: $i] :
                                                                                                                      ( ( in @ Y5
                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                        = ( dsetconstr @ Y1
                                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                                 => ( ( !! @ $i
                                                                                                      @ ^ [Y3: $i] :
                                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                                         => ( ?? @ $i
                                                                                                            @ ^ [Y4: $i] :
                                                                                                                ( ( in @ Y4
                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f5035]) ).

thf(f5042,plain,
    ( ( setunionsingleton
     => ( singletonprop
       => ( ex1E1
         => ( ex1I
           => ( ex1I2
             => ( singletonsuniq
               => ( setukpairinjL1
                 => ( kfstsingleton
                   => ( theprop
                     => ( kfstpairEq
                       => ( cartprodfstin
                         => ( setukpairinjL2
                           => ( setukpairinjL
                             => ( setukpairinjR11
                               => ( setukpairinjR12
                                 => ( setukpairinjR1
                                   => ( upairequniteq
                                     => ( setukpairinjR2
                                       => ( setukpairinjR
                                         => ( ksndsingleton
                                           => ( ksndpairEq
                                             => ( kpairsurjEq
                                               => ( cartprodsndin
                                                 => ( cartprodpairmemEL
                                                   => ( cartprodpairmemER
                                                     => ( cartprodmempaircEq
                                                       => ( cartprodfstpairEq
                                                         => ( cartprodsndpairEq
                                                           => ( cartprodpairsurjEq
                                                             => ( dpsetconstrI
                                                               => ( dpsetconstrSub
                                                                 => ( setOfPairsIsBReln
                                                                   => ( dpsetconstrERa
                                                                     => ( dpsetconstrEL1
                                                                       => ( dpsetconstrEL2
                                                                         => ( dpsetconstrER
                                                                           => ( funcImageSingleton
                                                                             => ( apProp
                                                                               => ( app
                                                                                 => ( !! @ $i
                                                                                    @ ^ [Y0: $i] :
                                                                                        ( !! @ $i
                                                                                        @ ^ [Y1: $i] :
                                                                                            ( !! @ $i
                                                                                            @ ^ [Y2: $i] :
                                                                                                ( ( in @ Y0
                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                    @ ^ [Y3: $i] :
                                                                                                        ( ( !! @ $i
                                                                                                          @ ^ [Y4: $i] :
                                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                                             => ( ?? @ $i
                                                                                                                @ ^ [Y5: $i] :
                                                                                                                    ( ( in @ Y5
                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                      = ( dsetconstr @ Y1
                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                               => ( ( !! @ $i
                                                                                                    @ ^ [Y3: $i] :
                                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                                       => ( ?? @ $i
                                                                                                          @ ^ [Y4: $i] :
                                                                                                              ( ( in @ Y4
                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                                = ( dsetconstr @ Y1
                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f5039]) ).

thf(f5044,plain,
    ( $false
    = ( singletonprop
     => ( ex1E1
       => ( ex1I
         => ( ex1I2
           => ( singletonsuniq
             => ( setukpairinjL1
               => ( kfstsingleton
                 => ( theprop
                   => ( kfstpairEq
                     => ( cartprodfstin
                       => ( setukpairinjL2
                         => ( setukpairinjL
                           => ( setukpairinjR11
                             => ( setukpairinjR12
                               => ( setukpairinjR1
                                 => ( upairequniteq
                                   => ( setukpairinjR2
                                     => ( setukpairinjR
                                       => ( ksndsingleton
                                         => ( ksndpairEq
                                           => ( kpairsurjEq
                                             => ( cartprodsndin
                                               => ( cartprodpairmemEL
                                                 => ( cartprodpairmemER
                                                   => ( cartprodmempaircEq
                                                     => ( cartprodfstpairEq
                                                       => ( cartprodsndpairEq
                                                         => ( cartprodpairsurjEq
                                                           => ( dpsetconstrI
                                                             => ( dpsetconstrSub
                                                               => ( setOfPairsIsBReln
                                                                 => ( dpsetconstrERa
                                                                   => ( dpsetconstrEL1
                                                                     => ( dpsetconstrEL2
                                                                       => ( dpsetconstrER
                                                                         => ( funcImageSingleton
                                                                           => ( apProp
                                                                             => ( app
                                                                               => ( !! @ $i
                                                                                  @ ^ [Y0: $i] :
                                                                                      ( !! @ $i
                                                                                      @ ^ [Y1: $i] :
                                                                                          ( !! @ $i
                                                                                          @ ^ [Y2: $i] :
                                                                                              ( ( in @ Y0
                                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                  @ ^ [Y3: $i] :
                                                                                                      ( ( !! @ $i
                                                                                                        @ ^ [Y4: $i] :
                                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                                           => ( ?? @ $i
                                                                                                              @ ^ [Y5: $i] :
                                                                                                                  ( ( in @ Y5
                                                                                                                    @ ( dsetconstr @ Y1
                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                    = ( dsetconstr @ Y1
                                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                             => ( ( !! @ $i
                                                                                                  @ ^ [Y3: $i] :
                                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                                     => ( ?? @ $i
                                                                                                        @ ^ [Y4: $i] :
                                                                                                            ( ( in @ Y4
                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                              = ( dsetconstr @ Y1
                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5042]) ).

thf(f5048,plain,
    ( $false
    = ( ex1E1
     => ( ex1I
       => ( ex1I2
         => ( singletonsuniq
           => ( setukpairinjL1
             => ( kfstsingleton
               => ( theprop
                 => ( kfstpairEq
                   => ( cartprodfstin
                     => ( setukpairinjL2
                       => ( setukpairinjL
                         => ( setukpairinjR11
                           => ( setukpairinjR12
                             => ( setukpairinjR1
                               => ( upairequniteq
                                 => ( setukpairinjR2
                                   => ( setukpairinjR
                                     => ( ksndsingleton
                                       => ( ksndpairEq
                                         => ( kpairsurjEq
                                           => ( cartprodsndin
                                             => ( cartprodpairmemEL
                                               => ( cartprodpairmemER
                                                 => ( cartprodmempaircEq
                                                   => ( cartprodfstpairEq
                                                     => ( cartprodsndpairEq
                                                       => ( cartprodpairsurjEq
                                                         => ( dpsetconstrI
                                                           => ( dpsetconstrSub
                                                             => ( setOfPairsIsBReln
                                                               => ( dpsetconstrERa
                                                                 => ( dpsetconstrEL1
                                                                   => ( dpsetconstrEL2
                                                                     => ( dpsetconstrER
                                                                       => ( funcImageSingleton
                                                                         => ( apProp
                                                                           => ( app
                                                                             => ( !! @ $i
                                                                                @ ^ [Y0: $i] :
                                                                                    ( !! @ $i
                                                                                    @ ^ [Y1: $i] :
                                                                                        ( !! @ $i
                                                                                        @ ^ [Y2: $i] :
                                                                                            ( ( in @ Y0
                                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                                @ ^ [Y3: $i] :
                                                                                                    ( ( !! @ $i
                                                                                                      @ ^ [Y4: $i] :
                                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                                         => ( ?? @ $i
                                                                                                            @ ^ [Y5: $i] :
                                                                                                                ( ( in @ Y5
                                                                                                                  @ ( dsetconstr @ Y1
                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                  = ( dsetconstr @ Y1
                                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                           => ( ( !! @ $i
                                                                                                @ ^ [Y3: $i] :
                                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                                   => ( ?? @ $i
                                                                                                      @ ^ [Y4: $i] :
                                                                                                          ( ( in @ Y4
                                                                                                            @ ( dsetconstr @ Y1
                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                            = ( dsetconstr @ Y1
                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5044]) ).

thf(f5051,plain,
    ( $false
    = ( ex1I
     => ( ex1I2
       => ( singletonsuniq
         => ( setukpairinjL1
           => ( kfstsingleton
             => ( theprop
               => ( kfstpairEq
                 => ( cartprodfstin
                   => ( setukpairinjL2
                     => ( setukpairinjL
                       => ( setukpairinjR11
                         => ( setukpairinjR12
                           => ( setukpairinjR1
                             => ( upairequniteq
                               => ( setukpairinjR2
                                 => ( setukpairinjR
                                   => ( ksndsingleton
                                     => ( ksndpairEq
                                       => ( kpairsurjEq
                                         => ( cartprodsndin
                                           => ( cartprodpairmemEL
                                             => ( cartprodpairmemER
                                               => ( cartprodmempaircEq
                                                 => ( cartprodfstpairEq
                                                   => ( cartprodsndpairEq
                                                     => ( cartprodpairsurjEq
                                                       => ( dpsetconstrI
                                                         => ( dpsetconstrSub
                                                           => ( setOfPairsIsBReln
                                                             => ( dpsetconstrERa
                                                               => ( dpsetconstrEL1
                                                                 => ( dpsetconstrEL2
                                                                   => ( dpsetconstrER
                                                                     => ( funcImageSingleton
                                                                       => ( apProp
                                                                         => ( app
                                                                           => ( !! @ $i
                                                                              @ ^ [Y0: $i] :
                                                                                  ( !! @ $i
                                                                                  @ ^ [Y1: $i] :
                                                                                      ( !! @ $i
                                                                                      @ ^ [Y2: $i] :
                                                                                          ( ( in @ Y0
                                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                              @ ^ [Y3: $i] :
                                                                                                  ( ( !! @ $i
                                                                                                    @ ^ [Y4: $i] :
                                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                                       => ( ?? @ $i
                                                                                                          @ ^ [Y5: $i] :
                                                                                                              ( ( in @ Y5
                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                                = ( dsetconstr @ Y1
                                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                         => ( ( !! @ $i
                                                                                              @ ^ [Y3: $i] :
                                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                                 => ( ?? @ $i
                                                                                                    @ ^ [Y4: $i] :
                                                                                                        ( ( in @ Y4
                                                                                                          @ ( dsetconstr @ Y1
                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                          = ( dsetconstr @ Y1
                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5048]) ).

thf(f5053,plain,
    ( $false
    = ( ex1I2
     => ( singletonsuniq
       => ( setukpairinjL1
         => ( kfstsingleton
           => ( theprop
             => ( kfstpairEq
               => ( cartprodfstin
                 => ( setukpairinjL2
                   => ( setukpairinjL
                     => ( setukpairinjR11
                       => ( setukpairinjR12
                         => ( setukpairinjR1
                           => ( upairequniteq
                             => ( setukpairinjR2
                               => ( setukpairinjR
                                 => ( ksndsingleton
                                   => ( ksndpairEq
                                     => ( kpairsurjEq
                                       => ( cartprodsndin
                                         => ( cartprodpairmemEL
                                           => ( cartprodpairmemER
                                             => ( cartprodmempaircEq
                                               => ( cartprodfstpairEq
                                                 => ( cartprodsndpairEq
                                                   => ( cartprodpairsurjEq
                                                     => ( dpsetconstrI
                                                       => ( dpsetconstrSub
                                                         => ( setOfPairsIsBReln
                                                           => ( dpsetconstrERa
                                                             => ( dpsetconstrEL1
                                                               => ( dpsetconstrEL2
                                                                 => ( dpsetconstrER
                                                                   => ( funcImageSingleton
                                                                     => ( apProp
                                                                       => ( app
                                                                         => ( !! @ $i
                                                                            @ ^ [Y0: $i] :
                                                                                ( !! @ $i
                                                                                @ ^ [Y1: $i] :
                                                                                    ( !! @ $i
                                                                                    @ ^ [Y2: $i] :
                                                                                        ( ( in @ Y0
                                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                            @ ^ [Y3: $i] :
                                                                                                ( ( !! @ $i
                                                                                                  @ ^ [Y4: $i] :
                                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                                     => ( ?? @ $i
                                                                                                        @ ^ [Y5: $i] :
                                                                                                            ( ( in @ Y5
                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                              = ( dsetconstr @ Y1
                                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                       => ( ( !! @ $i
                                                                                            @ ^ [Y3: $i] :
                                                                                                ( ( in @ Y3 @ Y2 )
                                                                                               => ( ?? @ $i
                                                                                                  @ ^ [Y4: $i] :
                                                                                                      ( ( in @ Y4
                                                                                                        @ ( dsetconstr @ Y1
                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                        = ( dsetconstr @ Y1
                                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5051]) ).

thf(f5056,plain,
    ( $false
    = ( singletonsuniq
     => ( setukpairinjL1
       => ( kfstsingleton
         => ( theprop
           => ( kfstpairEq
             => ( cartprodfstin
               => ( setukpairinjL2
                 => ( setukpairinjL
                   => ( setukpairinjR11
                     => ( setukpairinjR12
                       => ( setukpairinjR1
                         => ( upairequniteq
                           => ( setukpairinjR2
                             => ( setukpairinjR
                               => ( ksndsingleton
                                 => ( ksndpairEq
                                   => ( kpairsurjEq
                                     => ( cartprodsndin
                                       => ( cartprodpairmemEL
                                         => ( cartprodpairmemER
                                           => ( cartprodmempaircEq
                                             => ( cartprodfstpairEq
                                               => ( cartprodsndpairEq
                                                 => ( cartprodpairsurjEq
                                                   => ( dpsetconstrI
                                                     => ( dpsetconstrSub
                                                       => ( setOfPairsIsBReln
                                                         => ( dpsetconstrERa
                                                           => ( dpsetconstrEL1
                                                             => ( dpsetconstrEL2
                                                               => ( dpsetconstrER
                                                                 => ( funcImageSingleton
                                                                   => ( apProp
                                                                     => ( app
                                                                       => ( !! @ $i
                                                                          @ ^ [Y0: $i] :
                                                                              ( !! @ $i
                                                                              @ ^ [Y1: $i] :
                                                                                  ( !! @ $i
                                                                                  @ ^ [Y2: $i] :
                                                                                      ( ( in @ Y0
                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                          @ ^ [Y3: $i] :
                                                                                              ( ( !! @ $i
                                                                                                @ ^ [Y4: $i] :
                                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                                   => ( ?? @ $i
                                                                                                      @ ^ [Y5: $i] :
                                                                                                          ( ( in @ Y5
                                                                                                            @ ( dsetconstr @ Y1
                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                            = ( dsetconstr @ Y1
                                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                     => ( ( !! @ $i
                                                                                          @ ^ [Y3: $i] :
                                                                                              ( ( in @ Y3 @ Y2 )
                                                                                             => ( ?? @ $i
                                                                                                @ ^ [Y4: $i] :
                                                                                                    ( ( in @ Y4
                                                                                                      @ ( dsetconstr @ Y1
                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                      = ( dsetconstr @ Y1
                                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5053]) ).

thf(f5060,plain,
    ( ( setukpairinjL1
     => ( kfstsingleton
       => ( theprop
         => ( kfstpairEq
           => ( cartprodfstin
             => ( setukpairinjL2
               => ( setukpairinjL
                 => ( setukpairinjR11
                   => ( setukpairinjR12
                     => ( setukpairinjR1
                       => ( upairequniteq
                         => ( setukpairinjR2
                           => ( setukpairinjR
                             => ( ksndsingleton
                               => ( ksndpairEq
                                 => ( kpairsurjEq
                                   => ( cartprodsndin
                                     => ( cartprodpairmemEL
                                       => ( cartprodpairmemER
                                         => ( cartprodmempaircEq
                                           => ( cartprodfstpairEq
                                             => ( cartprodsndpairEq
                                               => ( cartprodpairsurjEq
                                                 => ( dpsetconstrI
                                                   => ( dpsetconstrSub
                                                     => ( setOfPairsIsBReln
                                                       => ( dpsetconstrERa
                                                         => ( dpsetconstrEL1
                                                           => ( dpsetconstrEL2
                                                             => ( dpsetconstrER
                                                               => ( funcImageSingleton
                                                                 => ( apProp
                                                                   => ( app
                                                                     => ( !! @ $i
                                                                        @ ^ [Y0: $i] :
                                                                            ( !! @ $i
                                                                            @ ^ [Y1: $i] :
                                                                                ( !! @ $i
                                                                                @ ^ [Y2: $i] :
                                                                                    ( ( in @ Y0
                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                        @ ^ [Y3: $i] :
                                                                                            ( ( !! @ $i
                                                                                              @ ^ [Y4: $i] :
                                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                                 => ( ?? @ $i
                                                                                                    @ ^ [Y5: $i] :
                                                                                                        ( ( in @ Y5
                                                                                                          @ ( dsetconstr @ Y1
                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                          = ( dsetconstr @ Y1
                                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                   => ( ( !! @ $i
                                                                                        @ ^ [Y3: $i] :
                                                                                            ( ( in @ Y3 @ Y2 )
                                                                                           => ( ?? @ $i
                                                                                              @ ^ [Y4: $i] :
                                                                                                  ( ( in @ Y4
                                                                                                    @ ( dsetconstr @ Y1
                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                    = ( dsetconstr @ Y1
                                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f5056]) ).

thf(f5062,plain,
    ( $false
    = ( kfstsingleton
     => ( theprop
       => ( kfstpairEq
         => ( cartprodfstin
           => ( setukpairinjL2
             => ( setukpairinjL
               => ( setukpairinjR11
                 => ( setukpairinjR12
                   => ( setukpairinjR1
                     => ( upairequniteq
                       => ( setukpairinjR2
                         => ( setukpairinjR
                           => ( ksndsingleton
                             => ( ksndpairEq
                               => ( kpairsurjEq
                                 => ( cartprodsndin
                                   => ( cartprodpairmemEL
                                     => ( cartprodpairmemER
                                       => ( cartprodmempaircEq
                                         => ( cartprodfstpairEq
                                           => ( cartprodsndpairEq
                                             => ( cartprodpairsurjEq
                                               => ( dpsetconstrI
                                                 => ( dpsetconstrSub
                                                   => ( setOfPairsIsBReln
                                                     => ( dpsetconstrERa
                                                       => ( dpsetconstrEL1
                                                         => ( dpsetconstrEL2
                                                           => ( dpsetconstrER
                                                             => ( funcImageSingleton
                                                               => ( apProp
                                                                 => ( app
                                                                   => ( !! @ $i
                                                                      @ ^ [Y0: $i] :
                                                                          ( !! @ $i
                                                                          @ ^ [Y1: $i] :
                                                                              ( !! @ $i
                                                                              @ ^ [Y2: $i] :
                                                                                  ( ( in @ Y0
                                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                      @ ^ [Y3: $i] :
                                                                                          ( ( !! @ $i
                                                                                            @ ^ [Y4: $i] :
                                                                                                ( ( in @ Y4 @ Y2 )
                                                                                               => ( ?? @ $i
                                                                                                  @ ^ [Y5: $i] :
                                                                                                      ( ( in @ Y5
                                                                                                        @ ( dsetconstr @ Y1
                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                        = ( dsetconstr @ Y1
                                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                                 => ( ( !! @ $i
                                                                                      @ ^ [Y3: $i] :
                                                                                          ( ( in @ Y3 @ Y2 )
                                                                                         => ( ?? @ $i
                                                                                            @ ^ [Y4: $i] :
                                                                                                ( ( in @ Y4
                                                                                                  @ ( dsetconstr @ Y1
                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                  = ( dsetconstr @ Y1
                                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5060]) ).

thf(f5065,plain,
    ( $false
    = ( theprop
     => ( kfstpairEq
       => ( cartprodfstin
         => ( setukpairinjL2
           => ( setukpairinjL
             => ( setukpairinjR11
               => ( setukpairinjR12
                 => ( setukpairinjR1
                   => ( upairequniteq
                     => ( setukpairinjR2
                       => ( setukpairinjR
                         => ( ksndsingleton
                           => ( ksndpairEq
                             => ( kpairsurjEq
                               => ( cartprodsndin
                                 => ( cartprodpairmemEL
                                   => ( cartprodpairmemER
                                     => ( cartprodmempaircEq
                                       => ( cartprodfstpairEq
                                         => ( cartprodsndpairEq
                                           => ( cartprodpairsurjEq
                                             => ( dpsetconstrI
                                               => ( dpsetconstrSub
                                                 => ( setOfPairsIsBReln
                                                   => ( dpsetconstrERa
                                                     => ( dpsetconstrEL1
                                                       => ( dpsetconstrEL2
                                                         => ( dpsetconstrER
                                                           => ( funcImageSingleton
                                                             => ( apProp
                                                               => ( app
                                                                 => ( !! @ $i
                                                                    @ ^ [Y0: $i] :
                                                                        ( !! @ $i
                                                                        @ ^ [Y1: $i] :
                                                                            ( !! @ $i
                                                                            @ ^ [Y2: $i] :
                                                                                ( ( in @ Y0
                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                    @ ^ [Y3: $i] :
                                                                                        ( ( !! @ $i
                                                                                          @ ^ [Y4: $i] :
                                                                                              ( ( in @ Y4 @ Y2 )
                                                                                             => ( ?? @ $i
                                                                                                @ ^ [Y5: $i] :
                                                                                                    ( ( in @ Y5
                                                                                                      @ ( dsetconstr @ Y1
                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                      = ( dsetconstr @ Y1
                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                               => ( ( !! @ $i
                                                                                    @ ^ [Y3: $i] :
                                                                                        ( ( in @ Y3 @ Y2 )
                                                                                       => ( ?? @ $i
                                                                                          @ ^ [Y4: $i] :
                                                                                              ( ( in @ Y4
                                                                                                @ ( dsetconstr @ Y1
                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                                = ( dsetconstr @ Y1
                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5062]) ).

thf(f5068,plain,
    ( $false
    = ( kfstpairEq
     => ( cartprodfstin
       => ( setukpairinjL2
         => ( setukpairinjL
           => ( setukpairinjR11
             => ( setukpairinjR12
               => ( setukpairinjR1
                 => ( upairequniteq
                   => ( setukpairinjR2
                     => ( setukpairinjR
                       => ( ksndsingleton
                         => ( ksndpairEq
                           => ( kpairsurjEq
                             => ( cartprodsndin
                               => ( cartprodpairmemEL
                                 => ( cartprodpairmemER
                                   => ( cartprodmempaircEq
                                     => ( cartprodfstpairEq
                                       => ( cartprodsndpairEq
                                         => ( cartprodpairsurjEq
                                           => ( dpsetconstrI
                                             => ( dpsetconstrSub
                                               => ( setOfPairsIsBReln
                                                 => ( dpsetconstrERa
                                                   => ( dpsetconstrEL1
                                                     => ( dpsetconstrEL2
                                                       => ( dpsetconstrER
                                                         => ( funcImageSingleton
                                                           => ( apProp
                                                             => ( app
                                                               => ( !! @ $i
                                                                  @ ^ [Y0: $i] :
                                                                      ( !! @ $i
                                                                      @ ^ [Y1: $i] :
                                                                          ( !! @ $i
                                                                          @ ^ [Y2: $i] :
                                                                              ( ( in @ Y0
                                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                  @ ^ [Y3: $i] :
                                                                                      ( ( !! @ $i
                                                                                        @ ^ [Y4: $i] :
                                                                                            ( ( in @ Y4 @ Y2 )
                                                                                           => ( ?? @ $i
                                                                                              @ ^ [Y5: $i] :
                                                                                                  ( ( in @ Y5
                                                                                                    @ ( dsetconstr @ Y1
                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                    = ( dsetconstr @ Y1
                                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                             => ( ( !! @ $i
                                                                                  @ ^ [Y3: $i] :
                                                                                      ( ( in @ Y3 @ Y2 )
                                                                                     => ( ?? @ $i
                                                                                        @ ^ [Y4: $i] :
                                                                                            ( ( in @ Y4
                                                                                              @ ( dsetconstr @ Y1
                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                                              = ( dsetconstr @ Y1
                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5065]) ).

thf(f5072,plain,
    ( $false
    = ( cartprodfstin
     => ( setukpairinjL2
       => ( setukpairinjL
         => ( setukpairinjR11
           => ( setukpairinjR12
             => ( setukpairinjR1
               => ( upairequniteq
                 => ( setukpairinjR2
                   => ( setukpairinjR
                     => ( ksndsingleton
                       => ( ksndpairEq
                         => ( kpairsurjEq
                           => ( cartprodsndin
                             => ( cartprodpairmemEL
                               => ( cartprodpairmemER
                                 => ( cartprodmempaircEq
                                   => ( cartprodfstpairEq
                                     => ( cartprodsndpairEq
                                       => ( cartprodpairsurjEq
                                         => ( dpsetconstrI
                                           => ( dpsetconstrSub
                                             => ( setOfPairsIsBReln
                                               => ( dpsetconstrERa
                                                 => ( dpsetconstrEL1
                                                   => ( dpsetconstrEL2
                                                     => ( dpsetconstrER
                                                       => ( funcImageSingleton
                                                         => ( apProp
                                                           => ( app
                                                             => ( !! @ $i
                                                                @ ^ [Y0: $i] :
                                                                    ( !! @ $i
                                                                    @ ^ [Y1: $i] :
                                                                        ( !! @ $i
                                                                        @ ^ [Y2: $i] :
                                                                            ( ( in @ Y0
                                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                                @ ^ [Y3: $i] :
                                                                                    ( ( !! @ $i
                                                                                      @ ^ [Y4: $i] :
                                                                                          ( ( in @ Y4 @ Y2 )
                                                                                         => ( ?? @ $i
                                                                                            @ ^ [Y5: $i] :
                                                                                                ( ( in @ Y5
                                                                                                  @ ( dsetconstr @ Y1
                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                  = ( dsetconstr @ Y1
                                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                           => ( ( !! @ $i
                                                                                @ ^ [Y3: $i] :
                                                                                    ( ( in @ Y3 @ Y2 )
                                                                                   => ( ?? @ $i
                                                                                      @ ^ [Y4: $i] :
                                                                                          ( ( in @ Y4
                                                                                            @ ( dsetconstr @ Y1
                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                                            = ( dsetconstr @ Y1
                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5068]) ).

thf(f5075,plain,
    ( ( setukpairinjL2
     => ( setukpairinjL
       => ( setukpairinjR11
         => ( setukpairinjR12
           => ( setukpairinjR1
             => ( upairequniteq
               => ( setukpairinjR2
                 => ( setukpairinjR
                   => ( ksndsingleton
                     => ( ksndpairEq
                       => ( kpairsurjEq
                         => ( cartprodsndin
                           => ( cartprodpairmemEL
                             => ( cartprodpairmemER
                               => ( cartprodmempaircEq
                                 => ( cartprodfstpairEq
                                   => ( cartprodsndpairEq
                                     => ( cartprodpairsurjEq
                                       => ( dpsetconstrI
                                         => ( dpsetconstrSub
                                           => ( setOfPairsIsBReln
                                             => ( dpsetconstrERa
                                               => ( dpsetconstrEL1
                                                 => ( dpsetconstrEL2
                                                   => ( dpsetconstrER
                                                     => ( funcImageSingleton
                                                       => ( apProp
                                                         => ( app
                                                           => ( !! @ $i
                                                              @ ^ [Y0: $i] :
                                                                  ( !! @ $i
                                                                  @ ^ [Y1: $i] :
                                                                      ( !! @ $i
                                                                      @ ^ [Y2: $i] :
                                                                          ( ( in @ Y0
                                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                              @ ^ [Y3: $i] :
                                                                                  ( ( !! @ $i
                                                                                    @ ^ [Y4: $i] :
                                                                                        ( ( in @ Y4 @ Y2 )
                                                                                       => ( ?? @ $i
                                                                                          @ ^ [Y5: $i] :
                                                                                              ( ( in @ Y5
                                                                                                @ ( dsetconstr @ Y1
                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                                = ( dsetconstr @ Y1
                                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                         => ( ( !! @ $i
                                                                              @ ^ [Y3: $i] :
                                                                                  ( ( in @ Y3 @ Y2 )
                                                                                 => ( ?? @ $i
                                                                                    @ ^ [Y4: $i] :
                                                                                        ( ( in @ Y4
                                                                                          @ ( dsetconstr @ Y1
                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                                          = ( dsetconstr @ Y1
                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f5072]) ).

thf(f5078,plain,
    ( ( setukpairinjL
     => ( setukpairinjR11
       => ( setukpairinjR12
         => ( setukpairinjR1
           => ( upairequniteq
             => ( setukpairinjR2
               => ( setukpairinjR
                 => ( ksndsingleton
                   => ( ksndpairEq
                     => ( kpairsurjEq
                       => ( cartprodsndin
                         => ( cartprodpairmemEL
                           => ( cartprodpairmemER
                             => ( cartprodmempaircEq
                               => ( cartprodfstpairEq
                                 => ( cartprodsndpairEq
                                   => ( cartprodpairsurjEq
                                     => ( dpsetconstrI
                                       => ( dpsetconstrSub
                                         => ( setOfPairsIsBReln
                                           => ( dpsetconstrERa
                                             => ( dpsetconstrEL1
                                               => ( dpsetconstrEL2
                                                 => ( dpsetconstrER
                                                   => ( funcImageSingleton
                                                     => ( apProp
                                                       => ( app
                                                         => ( !! @ $i
                                                            @ ^ [Y0: $i] :
                                                                ( !! @ $i
                                                                @ ^ [Y1: $i] :
                                                                    ( !! @ $i
                                                                    @ ^ [Y2: $i] :
                                                                        ( ( in @ Y0
                                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                            @ ^ [Y3: $i] :
                                                                                ( ( !! @ $i
                                                                                  @ ^ [Y4: $i] :
                                                                                      ( ( in @ Y4 @ Y2 )
                                                                                     => ( ?? @ $i
                                                                                        @ ^ [Y5: $i] :
                                                                                            ( ( in @ Y5
                                                                                              @ ( dsetconstr @ Y1
                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                                              = ( dsetconstr @ Y1
                                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                       => ( ( !! @ $i
                                                                            @ ^ [Y3: $i] :
                                                                                ( ( in @ Y3 @ Y2 )
                                                                               => ( ?? @ $i
                                                                                  @ ^ [Y4: $i] :
                                                                                      ( ( in @ Y4
                                                                                        @ ( dsetconstr @ Y1
                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                                        = ( dsetconstr @ Y1
                                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f5075]) ).

thf(f5080,plain,
    ( $false
    = ( setukpairinjR11
     => ( setukpairinjR12
       => ( setukpairinjR1
         => ( upairequniteq
           => ( setukpairinjR2
             => ( setukpairinjR
               => ( ksndsingleton
                 => ( ksndpairEq
                   => ( kpairsurjEq
                     => ( cartprodsndin
                       => ( cartprodpairmemEL
                         => ( cartprodpairmemER
                           => ( cartprodmempaircEq
                             => ( cartprodfstpairEq
                               => ( cartprodsndpairEq
                                 => ( cartprodpairsurjEq
                                   => ( dpsetconstrI
                                     => ( dpsetconstrSub
                                       => ( setOfPairsIsBReln
                                         => ( dpsetconstrERa
                                           => ( dpsetconstrEL1
                                             => ( dpsetconstrEL2
                                               => ( dpsetconstrER
                                                 => ( funcImageSingleton
                                                   => ( apProp
                                                     => ( app
                                                       => ( !! @ $i
                                                          @ ^ [Y0: $i] :
                                                              ( !! @ $i
                                                              @ ^ [Y1: $i] :
                                                                  ( !! @ $i
                                                                  @ ^ [Y2: $i] :
                                                                      ( ( in @ Y0
                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                          @ ^ [Y3: $i] :
                                                                              ( ( !! @ $i
                                                                                @ ^ [Y4: $i] :
                                                                                    ( ( in @ Y4 @ Y2 )
                                                                                   => ( ?? @ $i
                                                                                      @ ^ [Y5: $i] :
                                                                                          ( ( in @ Y5
                                                                                            @ ( dsetconstr @ Y1
                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                                            = ( dsetconstr @ Y1
                                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                     => ( ( !! @ $i
                                                                          @ ^ [Y3: $i] :
                                                                              ( ( in @ Y3 @ Y2 )
                                                                             => ( ?? @ $i
                                                                                @ ^ [Y4: $i] :
                                                                                    ( ( in @ Y4
                                                                                      @ ( dsetconstr @ Y1
                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                                      = ( dsetconstr @ Y1
                                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5078]) ).

thf(f5083,plain,
    ( $false
    = ( setukpairinjR12
     => ( setukpairinjR1
       => ( upairequniteq
         => ( setukpairinjR2
           => ( setukpairinjR
             => ( ksndsingleton
               => ( ksndpairEq
                 => ( kpairsurjEq
                   => ( cartprodsndin
                     => ( cartprodpairmemEL
                       => ( cartprodpairmemER
                         => ( cartprodmempaircEq
                           => ( cartprodfstpairEq
                             => ( cartprodsndpairEq
                               => ( cartprodpairsurjEq
                                 => ( dpsetconstrI
                                   => ( dpsetconstrSub
                                     => ( setOfPairsIsBReln
                                       => ( dpsetconstrERa
                                         => ( dpsetconstrEL1
                                           => ( dpsetconstrEL2
                                             => ( dpsetconstrER
                                               => ( funcImageSingleton
                                                 => ( apProp
                                                   => ( app
                                                     => ( !! @ $i
                                                        @ ^ [Y0: $i] :
                                                            ( !! @ $i
                                                            @ ^ [Y1: $i] :
                                                                ( !! @ $i
                                                                @ ^ [Y2: $i] :
                                                                    ( ( in @ Y0
                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                        @ ^ [Y3: $i] :
                                                                            ( ( !! @ $i
                                                                              @ ^ [Y4: $i] :
                                                                                  ( ( in @ Y4 @ Y2 )
                                                                                 => ( ?? @ $i
                                                                                    @ ^ [Y5: $i] :
                                                                                        ( ( in @ Y5
                                                                                          @ ( dsetconstr @ Y1
                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                                          = ( dsetconstr @ Y1
                                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                   => ( ( !! @ $i
                                                                        @ ^ [Y3: $i] :
                                                                            ( ( in @ Y3 @ Y2 )
                                                                           => ( ?? @ $i
                                                                              @ ^ [Y4: $i] :
                                                                                  ( ( in @ Y4
                                                                                    @ ( dsetconstr @ Y1
                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                                    = ( dsetconstr @ Y1
                                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5080]) ).

thf(f5086,plain,
    ( $false
    = ( setukpairinjR1
     => ( upairequniteq
       => ( setukpairinjR2
         => ( setukpairinjR
           => ( ksndsingleton
             => ( ksndpairEq
               => ( kpairsurjEq
                 => ( cartprodsndin
                   => ( cartprodpairmemEL
                     => ( cartprodpairmemER
                       => ( cartprodmempaircEq
                         => ( cartprodfstpairEq
                           => ( cartprodsndpairEq
                             => ( cartprodpairsurjEq
                               => ( dpsetconstrI
                                 => ( dpsetconstrSub
                                   => ( setOfPairsIsBReln
                                     => ( dpsetconstrERa
                                       => ( dpsetconstrEL1
                                         => ( dpsetconstrEL2
                                           => ( dpsetconstrER
                                             => ( funcImageSingleton
                                               => ( apProp
                                                 => ( app
                                                   => ( !! @ $i
                                                      @ ^ [Y0: $i] :
                                                          ( !! @ $i
                                                          @ ^ [Y1: $i] :
                                                              ( !! @ $i
                                                              @ ^ [Y2: $i] :
                                                                  ( ( in @ Y0
                                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                      @ ^ [Y3: $i] :
                                                                          ( ( !! @ $i
                                                                            @ ^ [Y4: $i] :
                                                                                ( ( in @ Y4 @ Y2 )
                                                                               => ( ?? @ $i
                                                                                  @ ^ [Y5: $i] :
                                                                                      ( ( in @ Y5
                                                                                        @ ( dsetconstr @ Y1
                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                                        = ( dsetconstr @ Y1
                                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                                 => ( ( !! @ $i
                                                                      @ ^ [Y3: $i] :
                                                                          ( ( in @ Y3 @ Y2 )
                                                                         => ( ?? @ $i
                                                                            @ ^ [Y4: $i] :
                                                                                ( ( in @ Y4
                                                                                  @ ( dsetconstr @ Y1
                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                                  = ( dsetconstr @ Y1
                                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5083]) ).

thf(f5089,plain,
    ( ( upairequniteq
     => ( setukpairinjR2
       => ( setukpairinjR
         => ( ksndsingleton
           => ( ksndpairEq
             => ( kpairsurjEq
               => ( cartprodsndin
                 => ( cartprodpairmemEL
                   => ( cartprodpairmemER
                     => ( cartprodmempaircEq
                       => ( cartprodfstpairEq
                         => ( cartprodsndpairEq
                           => ( cartprodpairsurjEq
                             => ( dpsetconstrI
                               => ( dpsetconstrSub
                                 => ( setOfPairsIsBReln
                                   => ( dpsetconstrERa
                                     => ( dpsetconstrEL1
                                       => ( dpsetconstrEL2
                                         => ( dpsetconstrER
                                           => ( funcImageSingleton
                                             => ( apProp
                                               => ( app
                                                 => ( !! @ $i
                                                    @ ^ [Y0: $i] :
                                                        ( !! @ $i
                                                        @ ^ [Y1: $i] :
                                                            ( !! @ $i
                                                            @ ^ [Y2: $i] :
                                                                ( ( in @ Y0
                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                    @ ^ [Y3: $i] :
                                                                        ( ( !! @ $i
                                                                          @ ^ [Y4: $i] :
                                                                              ( ( in @ Y4 @ Y2 )
                                                                             => ( ?? @ $i
                                                                                @ ^ [Y5: $i] :
                                                                                    ( ( in @ Y5
                                                                                      @ ( dsetconstr @ Y1
                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                                      = ( dsetconstr @ Y1
                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                               => ( ( !! @ $i
                                                                    @ ^ [Y3: $i] :
                                                                        ( ( in @ Y3 @ Y2 )
                                                                       => ( ?? @ $i
                                                                          @ ^ [Y4: $i] :
                                                                              ( ( in @ Y4
                                                                                @ ( dsetconstr @ Y1
                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                                = ( dsetconstr @ Y1
                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f5086]) ).

thf(f5093,plain,
    ( ( setukpairinjR2
     => ( setukpairinjR
       => ( ksndsingleton
         => ( ksndpairEq
           => ( kpairsurjEq
             => ( cartprodsndin
               => ( cartprodpairmemEL
                 => ( cartprodpairmemER
                   => ( cartprodmempaircEq
                     => ( cartprodfstpairEq
                       => ( cartprodsndpairEq
                         => ( cartprodpairsurjEq
                           => ( dpsetconstrI
                             => ( dpsetconstrSub
                               => ( setOfPairsIsBReln
                                 => ( dpsetconstrERa
                                   => ( dpsetconstrEL1
                                     => ( dpsetconstrEL2
                                       => ( dpsetconstrER
                                         => ( funcImageSingleton
                                           => ( apProp
                                             => ( app
                                               => ( !! @ $i
                                                  @ ^ [Y0: $i] :
                                                      ( !! @ $i
                                                      @ ^ [Y1: $i] :
                                                          ( !! @ $i
                                                          @ ^ [Y2: $i] :
                                                              ( ( in @ Y0
                                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                  @ ^ [Y3: $i] :
                                                                      ( ( !! @ $i
                                                                        @ ^ [Y4: $i] :
                                                                            ( ( in @ Y4 @ Y2 )
                                                                           => ( ?? @ $i
                                                                              @ ^ [Y5: $i] :
                                                                                  ( ( in @ Y5
                                                                                    @ ( dsetconstr @ Y1
                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                                    = ( dsetconstr @ Y1
                                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                             => ( ( !! @ $i
                                                                  @ ^ [Y3: $i] :
                                                                      ( ( in @ Y3 @ Y2 )
                                                                     => ( ?? @ $i
                                                                        @ ^ [Y4: $i] :
                                                                            ( ( in @ Y4
                                                                              @ ( dsetconstr @ Y1
                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                                              = ( dsetconstr @ Y1
                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f5089]) ).

thf(f5095,plain,
    ( $false
    = ( setukpairinjR
     => ( ksndsingleton
       => ( ksndpairEq
         => ( kpairsurjEq
           => ( cartprodsndin
             => ( cartprodpairmemEL
               => ( cartprodpairmemER
                 => ( cartprodmempaircEq
                   => ( cartprodfstpairEq
                     => ( cartprodsndpairEq
                       => ( cartprodpairsurjEq
                         => ( dpsetconstrI
                           => ( dpsetconstrSub
                             => ( setOfPairsIsBReln
                               => ( dpsetconstrERa
                                 => ( dpsetconstrEL1
                                   => ( dpsetconstrEL2
                                     => ( dpsetconstrER
                                       => ( funcImageSingleton
                                         => ( apProp
                                           => ( app
                                             => ( !! @ $i
                                                @ ^ [Y0: $i] :
                                                    ( !! @ $i
                                                    @ ^ [Y1: $i] :
                                                        ( !! @ $i
                                                        @ ^ [Y2: $i] :
                                                            ( ( in @ Y0
                                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                                @ ^ [Y3: $i] :
                                                                    ( ( !! @ $i
                                                                      @ ^ [Y4: $i] :
                                                                          ( ( in @ Y4 @ Y2 )
                                                                         => ( ?? @ $i
                                                                            @ ^ [Y5: $i] :
                                                                                ( ( in @ Y5
                                                                                  @ ( dsetconstr @ Y1
                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                                  = ( dsetconstr @ Y1
                                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                           => ( ( !! @ $i
                                                                @ ^ [Y3: $i] :
                                                                    ( ( in @ Y3 @ Y2 )
                                                                   => ( ?? @ $i
                                                                      @ ^ [Y4: $i] :
                                                                          ( ( in @ Y4
                                                                            @ ( dsetconstr @ Y1
                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                                            = ( dsetconstr @ Y1
                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5093]) ).

thf(f5099,plain,
    ( $false
    = ( ksndsingleton
     => ( ksndpairEq
       => ( kpairsurjEq
         => ( cartprodsndin
           => ( cartprodpairmemEL
             => ( cartprodpairmemER
               => ( cartprodmempaircEq
                 => ( cartprodfstpairEq
                   => ( cartprodsndpairEq
                     => ( cartprodpairsurjEq
                       => ( dpsetconstrI
                         => ( dpsetconstrSub
                           => ( setOfPairsIsBReln
                             => ( dpsetconstrERa
                               => ( dpsetconstrEL1
                                 => ( dpsetconstrEL2
                                   => ( dpsetconstrER
                                     => ( funcImageSingleton
                                       => ( apProp
                                         => ( app
                                           => ( !! @ $i
                                              @ ^ [Y0: $i] :
                                                  ( !! @ $i
                                                  @ ^ [Y1: $i] :
                                                      ( !! @ $i
                                                      @ ^ [Y2: $i] :
                                                          ( ( in @ Y0
                                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                              @ ^ [Y3: $i] :
                                                                  ( ( !! @ $i
                                                                    @ ^ [Y4: $i] :
                                                                        ( ( in @ Y4 @ Y2 )
                                                                       => ( ?? @ $i
                                                                          @ ^ [Y5: $i] :
                                                                              ( ( in @ Y5
                                                                                @ ( dsetconstr @ Y1
                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                                = ( dsetconstr @ Y1
                                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                         => ( ( !! @ $i
                                                              @ ^ [Y3: $i] :
                                                                  ( ( in @ Y3 @ Y2 )
                                                                 => ( ?? @ $i
                                                                    @ ^ [Y4: $i] :
                                                                        ( ( in @ Y4
                                                                          @ ( dsetconstr @ Y1
                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                                          = ( dsetconstr @ Y1
                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5095]) ).

thf(f5102,plain,
    ( ( ksndpairEq
     => ( kpairsurjEq
       => ( cartprodsndin
         => ( cartprodpairmemEL
           => ( cartprodpairmemER
             => ( cartprodmempaircEq
               => ( cartprodfstpairEq
                 => ( cartprodsndpairEq
                   => ( cartprodpairsurjEq
                     => ( dpsetconstrI
                       => ( dpsetconstrSub
                         => ( setOfPairsIsBReln
                           => ( dpsetconstrERa
                             => ( dpsetconstrEL1
                               => ( dpsetconstrEL2
                                 => ( dpsetconstrER
                                   => ( funcImageSingleton
                                     => ( apProp
                                       => ( app
                                         => ( !! @ $i
                                            @ ^ [Y0: $i] :
                                                ( !! @ $i
                                                @ ^ [Y1: $i] :
                                                    ( !! @ $i
                                                    @ ^ [Y2: $i] :
                                                        ( ( in @ Y0
                                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                            @ ^ [Y3: $i] :
                                                                ( ( !! @ $i
                                                                  @ ^ [Y4: $i] :
                                                                      ( ( in @ Y4 @ Y2 )
                                                                     => ( ?? @ $i
                                                                        @ ^ [Y5: $i] :
                                                                            ( ( in @ Y5
                                                                              @ ( dsetconstr @ Y1
                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                                              = ( dsetconstr @ Y1
                                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                       => ( ( !! @ $i
                                                            @ ^ [Y3: $i] :
                                                                ( ( in @ Y3 @ Y2 )
                                                               => ( ?? @ $i
                                                                  @ ^ [Y4: $i] :
                                                                      ( ( in @ Y4
                                                                        @ ( dsetconstr @ Y1
                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                                        = ( dsetconstr @ Y1
                                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f5099]) ).

thf(f5105,plain,
    ( ( kpairsurjEq
     => ( cartprodsndin
       => ( cartprodpairmemEL
         => ( cartprodpairmemER
           => ( cartprodmempaircEq
             => ( cartprodfstpairEq
               => ( cartprodsndpairEq
                 => ( cartprodpairsurjEq
                   => ( dpsetconstrI
                     => ( dpsetconstrSub
                       => ( setOfPairsIsBReln
                         => ( dpsetconstrERa
                           => ( dpsetconstrEL1
                             => ( dpsetconstrEL2
                               => ( dpsetconstrER
                                 => ( funcImageSingleton
                                   => ( apProp
                                     => ( app
                                       => ( !! @ $i
                                          @ ^ [Y0: $i] :
                                              ( !! @ $i
                                              @ ^ [Y1: $i] :
                                                  ( !! @ $i
                                                  @ ^ [Y2: $i] :
                                                      ( ( in @ Y0
                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                          @ ^ [Y3: $i] :
                                                              ( ( !! @ $i
                                                                @ ^ [Y4: $i] :
                                                                    ( ( in @ Y4 @ Y2 )
                                                                   => ( ?? @ $i
                                                                      @ ^ [Y5: $i] :
                                                                          ( ( in @ Y5
                                                                            @ ( dsetconstr @ Y1
                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                                            = ( dsetconstr @ Y1
                                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                     => ( ( !! @ $i
                                                          @ ^ [Y3: $i] :
                                                              ( ( in @ Y3 @ Y2 )
                                                             => ( ?? @ $i
                                                                @ ^ [Y4: $i] :
                                                                    ( ( in @ Y4
                                                                      @ ( dsetconstr @ Y1
                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                                      = ( dsetconstr @ Y1
                                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f5102]) ).

thf(f5107,plain,
    ( $false
    = ( cartprodsndin
     => ( cartprodpairmemEL
       => ( cartprodpairmemER
         => ( cartprodmempaircEq
           => ( cartprodfstpairEq
             => ( cartprodsndpairEq
               => ( cartprodpairsurjEq
                 => ( dpsetconstrI
                   => ( dpsetconstrSub
                     => ( setOfPairsIsBReln
                       => ( dpsetconstrERa
                         => ( dpsetconstrEL1
                           => ( dpsetconstrEL2
                             => ( dpsetconstrER
                               => ( funcImageSingleton
                                 => ( apProp
                                   => ( app
                                     => ( !! @ $i
                                        @ ^ [Y0: $i] :
                                            ( !! @ $i
                                            @ ^ [Y1: $i] :
                                                ( !! @ $i
                                                @ ^ [Y2: $i] :
                                                    ( ( in @ Y0
                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                        @ ^ [Y3: $i] :
                                                            ( ( !! @ $i
                                                              @ ^ [Y4: $i] :
                                                                  ( ( in @ Y4 @ Y2 )
                                                                 => ( ?? @ $i
                                                                    @ ^ [Y5: $i] :
                                                                        ( ( in @ Y5
                                                                          @ ( dsetconstr @ Y1
                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                                          = ( dsetconstr @ Y1
                                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                   => ( ( !! @ $i
                                                        @ ^ [Y3: $i] :
                                                            ( ( in @ Y3 @ Y2 )
                                                           => ( ?? @ $i
                                                              @ ^ [Y4: $i] :
                                                                  ( ( in @ Y4
                                                                    @ ( dsetconstr @ Y1
                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                                    = ( dsetconstr @ Y1
                                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5105]) ).

thf(f5111,plain,
    ( $false
    = ( cartprodpairmemEL
     => ( cartprodpairmemER
       => ( cartprodmempaircEq
         => ( cartprodfstpairEq
           => ( cartprodsndpairEq
             => ( cartprodpairsurjEq
               => ( dpsetconstrI
                 => ( dpsetconstrSub
                   => ( setOfPairsIsBReln
                     => ( dpsetconstrERa
                       => ( dpsetconstrEL1
                         => ( dpsetconstrEL2
                           => ( dpsetconstrER
                             => ( funcImageSingleton
                               => ( apProp
                                 => ( app
                                   => ( !! @ $i
                                      @ ^ [Y0: $i] :
                                          ( !! @ $i
                                          @ ^ [Y1: $i] :
                                              ( !! @ $i
                                              @ ^ [Y2: $i] :
                                                  ( ( in @ Y0
                                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                      @ ^ [Y3: $i] :
                                                          ( ( !! @ $i
                                                            @ ^ [Y4: $i] :
                                                                ( ( in @ Y4 @ Y2 )
                                                               => ( ?? @ $i
                                                                  @ ^ [Y5: $i] :
                                                                      ( ( in @ Y5
                                                                        @ ( dsetconstr @ Y1
                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                                        = ( dsetconstr @ Y1
                                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                                 => ( ( !! @ $i
                                                      @ ^ [Y3: $i] :
                                                          ( ( in @ Y3 @ Y2 )
                                                         => ( ?? @ $i
                                                            @ ^ [Y4: $i] :
                                                                ( ( in @ Y4
                                                                  @ ( dsetconstr @ Y1
                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                                  = ( dsetconstr @ Y1
                                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5107]) ).

thf(f5114,plain,
    ( $false
    = ( cartprodpairmemER
     => ( cartprodmempaircEq
       => ( cartprodfstpairEq
         => ( cartprodsndpairEq
           => ( cartprodpairsurjEq
             => ( dpsetconstrI
               => ( dpsetconstrSub
                 => ( setOfPairsIsBReln
                   => ( dpsetconstrERa
                     => ( dpsetconstrEL1
                       => ( dpsetconstrEL2
                         => ( dpsetconstrER
                           => ( funcImageSingleton
                             => ( apProp
                               => ( app
                                 => ( !! @ $i
                                    @ ^ [Y0: $i] :
                                        ( !! @ $i
                                        @ ^ [Y1: $i] :
                                            ( !! @ $i
                                            @ ^ [Y2: $i] :
                                                ( ( in @ Y0
                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                    @ ^ [Y3: $i] :
                                                        ( ( !! @ $i
                                                          @ ^ [Y4: $i] :
                                                              ( ( in @ Y4 @ Y2 )
                                                             => ( ?? @ $i
                                                                @ ^ [Y5: $i] :
                                                                    ( ( in @ Y5
                                                                      @ ( dsetconstr @ Y1
                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                                      = ( dsetconstr @ Y1
                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                               => ( ( !! @ $i
                                                    @ ^ [Y3: $i] :
                                                        ( ( in @ Y3 @ Y2 )
                                                       => ( ?? @ $i
                                                          @ ^ [Y4: $i] :
                                                              ( ( in @ Y4
                                                                @ ( dsetconstr @ Y1
                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                                = ( dsetconstr @ Y1
                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5111]) ).

thf(f5117,plain,
    ( $false
    = ( cartprodmempaircEq
     => ( cartprodfstpairEq
       => ( cartprodsndpairEq
         => ( cartprodpairsurjEq
           => ( dpsetconstrI
             => ( dpsetconstrSub
               => ( setOfPairsIsBReln
                 => ( dpsetconstrERa
                   => ( dpsetconstrEL1
                     => ( dpsetconstrEL2
                       => ( dpsetconstrER
                         => ( funcImageSingleton
                           => ( apProp
                             => ( app
                               => ( !! @ $i
                                  @ ^ [Y0: $i] :
                                      ( !! @ $i
                                      @ ^ [Y1: $i] :
                                          ( !! @ $i
                                          @ ^ [Y2: $i] :
                                              ( ( in @ Y0
                                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                  @ ^ [Y3: $i] :
                                                      ( ( !! @ $i
                                                        @ ^ [Y4: $i] :
                                                            ( ( in @ Y4 @ Y2 )
                                                           => ( ?? @ $i
                                                              @ ^ [Y5: $i] :
                                                                  ( ( in @ Y5
                                                                    @ ( dsetconstr @ Y1
                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                                    = ( dsetconstr @ Y1
                                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                             => ( ( !! @ $i
                                                  @ ^ [Y3: $i] :
                                                      ( ( in @ Y3 @ Y2 )
                                                     => ( ?? @ $i
                                                        @ ^ [Y4: $i] :
                                                            ( ( in @ Y4
                                                              @ ( dsetconstr @ Y1
                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                            & ( ( setadjoin @ Y4 @ emptyset )
                                                              = ( dsetconstr @ Y1
                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5114]) ).

thf(f5119,plain,
    ( ( cartprodfstpairEq
     => ( cartprodsndpairEq
       => ( cartprodpairsurjEq
         => ( dpsetconstrI
           => ( dpsetconstrSub
             => ( setOfPairsIsBReln
               => ( dpsetconstrERa
                 => ( dpsetconstrEL1
                   => ( dpsetconstrEL2
                     => ( dpsetconstrER
                       => ( funcImageSingleton
                         => ( apProp
                           => ( app
                             => ( !! @ $i
                                @ ^ [Y0: $i] :
                                    ( !! @ $i
                                    @ ^ [Y1: $i] :
                                        ( !! @ $i
                                        @ ^ [Y2: $i] :
                                            ( ( in @ Y0
                                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                                @ ^ [Y3: $i] :
                                                    ( ( !! @ $i
                                                      @ ^ [Y4: $i] :
                                                          ( ( in @ Y4 @ Y2 )
                                                         => ( ?? @ $i
                                                            @ ^ [Y5: $i] :
                                                                ( ( in @ Y5
                                                                  @ ( dsetconstr @ Y1
                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                                  = ( dsetconstr @ Y1
                                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                           => ( ( !! @ $i
                                                @ ^ [Y3: $i] :
                                                    ( ( in @ Y3 @ Y2 )
                                                   => ( ?? @ $i
                                                      @ ^ [Y4: $i] :
                                                          ( ( in @ Y4
                                                            @ ( dsetconstr @ Y1
                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                          & ( ( setadjoin @ Y4 @ emptyset )
                                                            = ( dsetconstr @ Y1
                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f5117]) ).

thf(f5123,plain,
    ( $false
    = ( cartprodsndpairEq
     => ( cartprodpairsurjEq
       => ( dpsetconstrI
         => ( dpsetconstrSub
           => ( setOfPairsIsBReln
             => ( dpsetconstrERa
               => ( dpsetconstrEL1
                 => ( dpsetconstrEL2
                   => ( dpsetconstrER
                     => ( funcImageSingleton
                       => ( apProp
                         => ( app
                           => ( !! @ $i
                              @ ^ [Y0: $i] :
                                  ( !! @ $i
                                  @ ^ [Y1: $i] :
                                      ( !! @ $i
                                      @ ^ [Y2: $i] :
                                          ( ( in @ Y0
                                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                              @ ^ [Y3: $i] :
                                                  ( ( !! @ $i
                                                    @ ^ [Y4: $i] :
                                                        ( ( in @ Y4 @ Y2 )
                                                       => ( ?? @ $i
                                                          @ ^ [Y5: $i] :
                                                              ( ( in @ Y5
                                                                @ ( dsetconstr @ Y1
                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                                = ( dsetconstr @ Y1
                                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                         => ( ( !! @ $i
                                              @ ^ [Y3: $i] :
                                                  ( ( in @ Y3 @ Y2 )
                                                 => ( ?? @ $i
                                                    @ ^ [Y4: $i] :
                                                        ( ( in @ Y4
                                                          @ ( dsetconstr @ Y1
                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                        & ( ( setadjoin @ Y4 @ emptyset )
                                                          = ( dsetconstr @ Y1
                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5119]) ).

thf(f5125,plain,
    ( $false
    = ( cartprodpairsurjEq
     => ( dpsetconstrI
       => ( dpsetconstrSub
         => ( setOfPairsIsBReln
           => ( dpsetconstrERa
             => ( dpsetconstrEL1
               => ( dpsetconstrEL2
                 => ( dpsetconstrER
                   => ( funcImageSingleton
                     => ( apProp
                       => ( app
                         => ( !! @ $i
                            @ ^ [Y0: $i] :
                                ( !! @ $i
                                @ ^ [Y1: $i] :
                                    ( !! @ $i
                                    @ ^ [Y2: $i] :
                                        ( ( in @ Y0
                                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                            @ ^ [Y3: $i] :
                                                ( ( !! @ $i
                                                  @ ^ [Y4: $i] :
                                                      ( ( in @ Y4 @ Y2 )
                                                     => ( ?? @ $i
                                                        @ ^ [Y5: $i] :
                                                            ( ( in @ Y5
                                                              @ ( dsetconstr @ Y1
                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                            & ( ( setadjoin @ Y5 @ emptyset )
                                                              = ( dsetconstr @ Y1
                                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                       => ( ( !! @ $i
                                            @ ^ [Y3: $i] :
                                                ( ( in @ Y3 @ Y2 )
                                               => ( ?? @ $i
                                                  @ ^ [Y4: $i] :
                                                      ( ( in @ Y4
                                                        @ ( dsetconstr @ Y1
                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                      & ( ( setadjoin @ Y4 @ emptyset )
                                                        = ( dsetconstr @ Y1
                                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5123]) ).

thf(f5128,plain,
    ( $false
    = ( dpsetconstrI
     => ( dpsetconstrSub
       => ( setOfPairsIsBReln
         => ( dpsetconstrERa
           => ( dpsetconstrEL1
             => ( dpsetconstrEL2
               => ( dpsetconstrER
                 => ( funcImageSingleton
                   => ( apProp
                     => ( app
                       => ( !! @ $i
                          @ ^ [Y0: $i] :
                              ( !! @ $i
                              @ ^ [Y1: $i] :
                                  ( !! @ $i
                                  @ ^ [Y2: $i] :
                                      ( ( in @ Y0
                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                          @ ^ [Y3: $i] :
                                              ( ( !! @ $i
                                                @ ^ [Y4: $i] :
                                                    ( ( in @ Y4 @ Y2 )
                                                   => ( ?? @ $i
                                                      @ ^ [Y5: $i] :
                                                          ( ( in @ Y5
                                                            @ ( dsetconstr @ Y1
                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                          & ( ( setadjoin @ Y5 @ emptyset )
                                                            = ( dsetconstr @ Y1
                                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                     => ( ( !! @ $i
                                          @ ^ [Y3: $i] :
                                              ( ( in @ Y3 @ Y2 )
                                             => ( ?? @ $i
                                                @ ^ [Y4: $i] :
                                                    ( ( in @ Y4
                                                      @ ( dsetconstr @ Y1
                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                    & ( ( setadjoin @ Y4 @ emptyset )
                                                      = ( dsetconstr @ Y1
                                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5125]) ).

thf(f5131,plain,
    ( $false
    = ( dpsetconstrSub
     => ( setOfPairsIsBReln
       => ( dpsetconstrERa
         => ( dpsetconstrEL1
           => ( dpsetconstrEL2
             => ( dpsetconstrER
               => ( funcImageSingleton
                 => ( apProp
                   => ( app
                     => ( !! @ $i
                        @ ^ [Y0: $i] :
                            ( !! @ $i
                            @ ^ [Y1: $i] :
                                ( !! @ $i
                                @ ^ [Y2: $i] :
                                    ( ( in @ Y0
                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                        @ ^ [Y3: $i] :
                                            ( ( !! @ $i
                                              @ ^ [Y4: $i] :
                                                  ( ( in @ Y4 @ Y2 )
                                                 => ( ?? @ $i
                                                    @ ^ [Y5: $i] :
                                                        ( ( in @ Y5
                                                          @ ( dsetconstr @ Y1
                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                        & ( ( setadjoin @ Y5 @ emptyset )
                                                          = ( dsetconstr @ Y1
                                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                   => ( ( !! @ $i
                                        @ ^ [Y3: $i] :
                                            ( ( in @ Y3 @ Y2 )
                                           => ( ?? @ $i
                                              @ ^ [Y4: $i] :
                                                  ( ( in @ Y4
                                                    @ ( dsetconstr @ Y1
                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                  & ( ( setadjoin @ Y4 @ emptyset )
                                                    = ( dsetconstr @ Y1
                                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5128]) ).

thf(f5135,plain,
    ( $false
    = ( setOfPairsIsBReln
     => ( dpsetconstrERa
       => ( dpsetconstrEL1
         => ( dpsetconstrEL2
           => ( dpsetconstrER
             => ( funcImageSingleton
               => ( apProp
                 => ( app
                   => ( !! @ $i
                      @ ^ [Y0: $i] :
                          ( !! @ $i
                          @ ^ [Y1: $i] :
                              ( !! @ $i
                              @ ^ [Y2: $i] :
                                  ( ( in @ Y0
                                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                      @ ^ [Y3: $i] :
                                          ( ( !! @ $i
                                            @ ^ [Y4: $i] :
                                                ( ( in @ Y4 @ Y2 )
                                               => ( ?? @ $i
                                                  @ ^ [Y5: $i] :
                                                      ( ( in @ Y5
                                                        @ ( dsetconstr @ Y1
                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                      & ( ( setadjoin @ Y5 @ emptyset )
                                                        = ( dsetconstr @ Y1
                                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                                 => ( ( !! @ $i
                                      @ ^ [Y3: $i] :
                                          ( ( in @ Y3 @ Y2 )
                                         => ( ?? @ $i
                                            @ ^ [Y4: $i] :
                                                ( ( in @ Y4
                                                  @ ( dsetconstr @ Y1
                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                                & ( ( setadjoin @ Y4 @ emptyset )
                                                  = ( dsetconstr @ Y1
                                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5131]) ).

thf(f5138,plain,
    ( $false
    = ( dpsetconstrERa
     => ( dpsetconstrEL1
       => ( dpsetconstrEL2
         => ( dpsetconstrER
           => ( funcImageSingleton
             => ( apProp
               => ( app
                 => ( !! @ $i
                    @ ^ [Y0: $i] :
                        ( !! @ $i
                        @ ^ [Y1: $i] :
                            ( !! @ $i
                            @ ^ [Y2: $i] :
                                ( ( in @ Y0
                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                    @ ^ [Y3: $i] :
                                        ( ( !! @ $i
                                          @ ^ [Y4: $i] :
                                              ( ( in @ Y4 @ Y2 )
                                             => ( ?? @ $i
                                                @ ^ [Y5: $i] :
                                                    ( ( in @ Y5
                                                      @ ( dsetconstr @ Y1
                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                    & ( ( setadjoin @ Y5 @ emptyset )
                                                      = ( dsetconstr @ Y1
                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                        & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                               => ( ( !! @ $i
                                    @ ^ [Y3: $i] :
                                        ( ( in @ Y3 @ Y2 )
                                       => ( ?? @ $i
                                          @ ^ [Y4: $i] :
                                              ( ( in @ Y4
                                                @ ( dsetconstr @ Y1
                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                              & ( ( setadjoin @ Y4 @ emptyset )
                                                = ( dsetconstr @ Y1
                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                  & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5135]) ).

thf(f5141,plain,
    ( $false
    = ( dpsetconstrEL1
     => ( dpsetconstrEL2
       => ( dpsetconstrER
         => ( funcImageSingleton
           => ( apProp
             => ( app
               => ( !! @ $i
                  @ ^ [Y0: $i] :
                      ( !! @ $i
                      @ ^ [Y1: $i] :
                          ( !! @ $i
                          @ ^ [Y2: $i] :
                              ( ( in @ Y0
                                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                  @ ^ [Y3: $i] :
                                      ( ( !! @ $i
                                        @ ^ [Y4: $i] :
                                            ( ( in @ Y4 @ Y2 )
                                           => ( ?? @ $i
                                              @ ^ [Y5: $i] :
                                                  ( ( in @ Y5
                                                    @ ( dsetconstr @ Y1
                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                  & ( ( setadjoin @ Y5 @ emptyset )
                                                    = ( dsetconstr @ Y1
                                                      @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                      & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                             => ( ( !! @ $i
                                  @ ^ [Y3: $i] :
                                      ( ( in @ Y3 @ Y2 )
                                     => ( ?? @ $i
                                        @ ^ [Y4: $i] :
                                            ( ( in @ Y4
                                              @ ( dsetconstr @ Y1
                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                            & ( ( setadjoin @ Y4 @ emptyset )
                                              = ( dsetconstr @ Y1
                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                                & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5138]) ).

thf(f5143,plain,
    ( $false
    = ( dpsetconstrEL2
     => ( dpsetconstrER
       => ( funcImageSingleton
         => ( apProp
           => ( app
             => ( !! @ $i
                @ ^ [Y0: $i] :
                    ( !! @ $i
                    @ ^ [Y1: $i] :
                        ( !! @ $i
                        @ ^ [Y2: $i] :
                            ( ( in @ Y0
                              @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                                @ ^ [Y3: $i] :
                                    ( ( !! @ $i
                                      @ ^ [Y4: $i] :
                                          ( ( in @ Y4 @ Y2 )
                                         => ( ?? @ $i
                                            @ ^ [Y5: $i] :
                                                ( ( in @ Y5
                                                  @ ( dsetconstr @ Y1
                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                & ( ( setadjoin @ Y5 @ emptyset )
                                                  = ( dsetconstr @ Y1
                                                    @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                    & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                           => ( ( !! @ $i
                                @ ^ [Y3: $i] :
                                    ( ( in @ Y3 @ Y2 )
                                   => ( ?? @ $i
                                      @ ^ [Y4: $i] :
                                          ( ( in @ Y4
                                            @ ( dsetconstr @ Y1
                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                          & ( ( setadjoin @ Y4 @ emptyset )
                                            = ( dsetconstr @ Y1
                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                              & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5141]) ).

thf(f5147,plain,
    ( $false
    = ( dpsetconstrER
     => ( funcImageSingleton
       => ( apProp
         => ( app
           => ( !! @ $i
              @ ^ [Y0: $i] :
                  ( !! @ $i
                  @ ^ [Y1: $i] :
                      ( !! @ $i
                      @ ^ [Y2: $i] :
                          ( ( in @ Y0
                            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                              @ ^ [Y3: $i] :
                                  ( ( !! @ $i
                                    @ ^ [Y4: $i] :
                                        ( ( in @ Y4 @ Y2 )
                                       => ( ?? @ $i
                                          @ ^ [Y5: $i] :
                                              ( ( in @ Y5
                                                @ ( dsetconstr @ Y1
                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                              & ( ( setadjoin @ Y5 @ emptyset )
                                                = ( dsetconstr @ Y1
                                                  @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                  & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                         => ( ( !! @ $i
                              @ ^ [Y3: $i] :
                                  ( ( in @ Y3 @ Y2 )
                                 => ( ?? @ $i
                                    @ ^ [Y4: $i] :
                                        ( ( in @ Y4
                                          @ ( dsetconstr @ Y1
                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                        & ( ( setadjoin @ Y4 @ emptyset )
                                          = ( dsetconstr @ Y1
                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                            & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5143]) ).

thf(f5149,plain,
    ( $false
    = ( funcImageSingleton
     => ( apProp
       => ( app
         => ( !! @ $i
            @ ^ [Y0: $i] :
                ( !! @ $i
                @ ^ [Y1: $i] :
                    ( !! @ $i
                    @ ^ [Y2: $i] :
                        ( ( in @ Y0
                          @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                            @ ^ [Y3: $i] :
                                ( ( !! @ $i
                                  @ ^ [Y4: $i] :
                                      ( ( in @ Y4 @ Y2 )
                                     => ( ?? @ $i
                                        @ ^ [Y5: $i] :
                                            ( ( in @ Y5
                                              @ ( dsetconstr @ Y1
                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                            & ( ( setadjoin @ Y5 @ emptyset )
                                              = ( dsetconstr @ Y1
                                                @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                                & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                       => ( ( !! @ $i
                            @ ^ [Y3: $i] :
                                ( ( in @ Y3 @ Y2 )
                               => ( ?? @ $i
                                  @ ^ [Y4: $i] :
                                      ( ( in @ Y4
                                        @ ( dsetconstr @ Y1
                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                      & ( ( setadjoin @ Y4 @ emptyset )
                                        = ( dsetconstr @ Y1
                                          @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                          & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5147]) ).

thf(f5152,plain,
    ( ( apProp
     => ( app
       => ( !! @ $i
          @ ^ [Y0: $i] :
              ( !! @ $i
              @ ^ [Y1: $i] :
                  ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( in @ Y0
                        @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                          @ ^ [Y3: $i] :
                              ( ( !! @ $i
                                @ ^ [Y4: $i] :
                                    ( ( in @ Y4 @ Y2 )
                                   => ( ?? @ $i
                                      @ ^ [Y5: $i] :
                                          ( ( in @ Y5
                                            @ ( dsetconstr @ Y1
                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                          & ( ( setadjoin @ Y5 @ emptyset )
                                            = ( dsetconstr @ Y1
                                              @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                              & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                     => ( ( !! @ $i
                          @ ^ [Y3: $i] :
                              ( ( in @ Y3 @ Y2 )
                             => ( ?? @ $i
                                @ ^ [Y4: $i] :
                                    ( ( in @ Y4
                                      @ ( dsetconstr @ Y1
                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                    & ( ( setadjoin @ Y4 @ emptyset )
                                      = ( dsetconstr @ Y1
                                        @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                        & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f5149]) ).

thf(f5156,plain,
    ( $false
    = ( app
     => ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y0
                      @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                        @ ^ [Y3: $i] :
                            ( ( !! @ $i
                              @ ^ [Y4: $i] :
                                  ( ( in @ Y4 @ Y2 )
                                 => ( ?? @ $i
                                    @ ^ [Y5: $i] :
                                        ( ( in @ Y5
                                          @ ( dsetconstr @ Y1
                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                        & ( ( setadjoin @ Y5 @ emptyset )
                                          = ( dsetconstr @ Y1
                                            @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                            & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                   => ( ( !! @ $i
                        @ ^ [Y3: $i] :
                            ( ( in @ Y3 @ Y2 )
                           => ( ?? @ $i
                              @ ^ [Y4: $i] :
                                  ( ( in @ Y4
                                    @ ( dsetconstr @ Y1
                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                  & ( ( setadjoin @ Y4 @ emptyset )
                                    = ( dsetconstr @ Y1
                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                      & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5152]) ).

thf(f5159,plain,
    ( $false
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y0
                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                      @ ^ [Y3: $i] :
                          ( ( !! @ $i
                            @ ^ [Y4: $i] :
                                ( ( in @ Y4 @ Y2 )
                               => ( ?? @ $i
                                  @ ^ [Y5: $i] :
                                      ( ( in @ Y5
                                        @ ( dsetconstr @ Y1
                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                      & ( ( setadjoin @ Y5 @ emptyset )
                                        = ( dsetconstr @ Y1
                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                 => ( ( !! @ $i
                      @ ^ [Y3: $i] :
                          ( ( in @ Y3 @ Y2 )
                         => ( ?? @ $i
                            @ ^ [Y4: $i] :
                                ( ( in @ Y4
                                  @ ( dsetconstr @ Y1
                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                & ( ( setadjoin @ Y4 @ emptyset )
                                  = ( dsetconstr @ Y1
                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f5156]) ).

thf(f5162,plain,
    ( ( ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y0
                    @ ( dsetconstr @ ( powerset @ ( cartprod @ Y2 @ Y1 ) )
                      @ ^ [Y3: $i] :
                          ( ( !! @ $i
                            @ ^ [Y4: $i] :
                                ( ( in @ Y4 @ Y2 )
                               => ( ?? @ $i
                                  @ ^ [Y5: $i] :
                                      ( ( in @ Y5
                                        @ ( dsetconstr @ Y1
                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                      & ( ( setadjoin @ Y5 @ emptyset )
                                        = ( dsetconstr @ Y1
                                          @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) ) ) ) ) )
                          & ( subset @ Y3 @ ( cartprod @ Y2 @ Y1 ) ) ) ) )
                 => ( ( !! @ $i
                      @ ^ [Y3: $i] :
                          ( ( in @ Y3 @ Y2 )
                         => ( ?? @ $i
                            @ ^ [Y4: $i] :
                                ( ( in @ Y4
                                  @ ( dsetconstr @ Y1
                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) )
                                & ( ( setadjoin @ Y4 @ emptyset )
                                  = ( dsetconstr @ Y1
                                    @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y0 ) ) ) ) ) ) )
                    & ( subset @ Y0 @ ( cartprod @ Y2 @ Y1 ) ) ) ) ) )
      @ sK1 )
    = $false ),
    inference(sigma_proxy_clausification,[],[f5159]) ).

thf(f5163,plain,
    ( $false
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( in @ sK1
                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y1 @ Y0 ) )
                  @ ^ [Y2: $i] :
                      ( ( !! @ $i
                        @ ^ [Y3: $i] :
                            ( ( in @ Y3 @ Y1 )
                           => ( ?? @ $i
                              @ ^ [Y4: $i] :
                                  ( ( in @ Y4
                                    @ ( dsetconstr @ Y0
                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y2 ) ) )
                                  & ( ( setadjoin @ Y4 @ emptyset )
                                    = ( dsetconstr @ Y0
                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y2 ) ) ) ) ) ) )
                      & ( subset @ Y2 @ ( cartprod @ Y1 @ Y0 ) ) ) ) )
             => ( ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ Y1 )
                     => ( ?? @ $i
                        @ ^ [Y3: $i] :
                            ( ( in @ Y3
                              @ ( dsetconstr @ Y0
                                @ ^ [Y4: $i] : ( in @ ( kpair @ Y2 @ Y4 ) @ sK1 ) ) )
                            & ( ( setadjoin @ Y3 @ emptyset )
                              = ( dsetconstr @ Y0
                                @ ^ [Y4: $i] : ( in @ ( kpair @ Y2 @ Y4 ) @ sK1 ) ) ) ) ) ) )
                & ( subset @ sK1 @ ( cartprod @ Y1 @ Y0 ) ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f5162]) ).

thf(f5164,plain,
    ( $false
    = ( ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( in @ sK1
                @ ( dsetconstr @ ( powerset @ ( cartprod @ Y1 @ Y0 ) )
                  @ ^ [Y2: $i] :
                      ( ( !! @ $i
                        @ ^ [Y3: $i] :
                            ( ( in @ Y3 @ Y1 )
                           => ( ?? @ $i
                              @ ^ [Y4: $i] :
                                  ( ( in @ Y4
                                    @ ( dsetconstr @ Y0
                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y2 ) ) )
                                  & ( ( setadjoin @ Y4 @ emptyset )
                                    = ( dsetconstr @ Y0
                                      @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y2 ) ) ) ) ) ) )
                      & ( subset @ Y2 @ ( cartprod @ Y1 @ Y0 ) ) ) ) )
             => ( ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ Y1 )
                     => ( ?? @ $i
                        @ ^ [Y3: $i] :
                            ( ( in @ Y3
                              @ ( dsetconstr @ Y0
                                @ ^ [Y4: $i] : ( in @ ( kpair @ Y2 @ Y4 ) @ sK1 ) ) )
                            & ( ( setadjoin @ Y3 @ emptyset )
                              = ( dsetconstr @ Y0
                                @ ^ [Y4: $i] : ( in @ ( kpair @ Y2 @ Y4 ) @ sK1 ) ) ) ) ) ) )
                & ( subset @ sK1 @ ( cartprod @ Y1 @ Y0 ) ) ) ) )
      @ sK2 ) ),
    inference(sigma_proxy_clausification,[],[f5163]) ).

thf(f5165,plain,
    ( $false
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( ( in @ sK1
            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y0 @ sK2 ) )
              @ ^ [Y1: $i] :
                  ( ( !! @ $i
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2 @ Y0 )
                       => ( ?? @ $i
                          @ ^ [Y3: $i] :
                              ( ( in @ Y3
                                @ ( dsetconstr @ sK2
                                  @ ^ [Y4: $i] : ( in @ ( kpair @ Y2 @ Y4 ) @ Y1 ) ) )
                              & ( ( setadjoin @ Y3 @ emptyset )
                                = ( dsetconstr @ sK2
                                  @ ^ [Y4: $i] : ( in @ ( kpair @ Y2 @ Y4 ) @ Y1 ) ) ) ) ) ) )
                  & ( subset @ Y1 @ ( cartprod @ Y0 @ sK2 ) ) ) ) )
         => ( ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ Y0 )
                 => ( ?? @ $i
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2
                          @ ( dsetconstr @ sK2
                            @ ^ [Y3: $i] : ( in @ ( kpair @ Y1 @ Y3 ) @ sK1 ) ) )
                        & ( ( setadjoin @ Y2 @ emptyset )
                          = ( dsetconstr @ sK2
                            @ ^ [Y3: $i] : ( in @ ( kpair @ Y1 @ Y3 ) @ sK1 ) ) ) ) ) ) )
            & ( subset @ sK1 @ ( cartprod @ Y0 @ sK2 ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f5164]) ).

thf(f5177,plain,
    ( $false
    = ( ^ [Y0: $i] :
          ( ( in @ sK1
            @ ( dsetconstr @ ( powerset @ ( cartprod @ Y0 @ sK2 ) )
              @ ^ [Y1: $i] :
                  ( ( !! @ $i
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2 @ Y0 )
                       => ( ?? @ $i
                          @ ^ [Y3: $i] :
                              ( ( in @ Y3
                                @ ( dsetconstr @ sK2
                                  @ ^ [Y4: $i] : ( in @ ( kpair @ Y2 @ Y4 ) @ Y1 ) ) )
                              & ( ( setadjoin @ Y3 @ emptyset )
                                = ( dsetconstr @ sK2
                                  @ ^ [Y4: $i] : ( in @ ( kpair @ Y2 @ Y4 ) @ Y1 ) ) ) ) ) ) )
                  & ( subset @ Y1 @ ( cartprod @ Y0 @ sK2 ) ) ) ) )
         => ( ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ Y0 )
                 => ( ?? @ $i
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2
                          @ ( dsetconstr @ sK2
                            @ ^ [Y3: $i] : ( in @ ( kpair @ Y1 @ Y3 ) @ sK1 ) ) )
                        & ( ( setadjoin @ Y2 @ emptyset )
                          = ( dsetconstr @ sK2
                            @ ^ [Y3: $i] : ( in @ ( kpair @ Y1 @ Y3 ) @ sK1 ) ) ) ) ) ) )
            & ( subset @ sK1 @ ( cartprod @ Y0 @ sK2 ) ) ) )
      @ sK3 ) ),
    inference(sigma_proxy_clausification,[],[f5165]) ).

thf(f5180,plain,
    ( $false
    = ( ( in @ sK1
        @ ( dsetconstr @ ( powerset @ ( cartprod @ sK3 @ sK2 ) )
          @ ^ [Y0: $i] :
              ( ( !! @ $i
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ sK3 )
                   => ( ?? @ $i
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2
                            @ ( dsetconstr @ sK2
                              @ ^ [Y3: $i] : ( in @ ( kpair @ Y1 @ Y3 ) @ Y0 ) ) )
                          & ( ( setadjoin @ Y2 @ emptyset )
                            = ( dsetconstr @ sK2
                              @ ^ [Y3: $i] : ( in @ ( kpair @ Y1 @ Y3 ) @ Y0 ) ) ) ) ) ) )
              & ( subset @ Y0 @ ( cartprod @ sK3 @ sK2 ) ) ) ) )
     => ( ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ sK3 )
             => ( ?? @ $i
                @ ^ [Y1: $i] :
                    ( ( in @ Y1
                      @ ( dsetconstr @ sK2
                        @ ^ [Y2: $i] : ( in @ ( kpair @ Y0 @ Y2 ) @ sK1 ) ) )
                    & ( ( setadjoin @ Y1 @ emptyset )
                      = ( dsetconstr @ sK2
                        @ ^ [Y2: $i] : ( in @ ( kpair @ Y0 @ Y2 ) @ sK1 ) ) ) ) ) ) )
        & ( subset @ sK1 @ ( cartprod @ sK3 @ sK2 ) ) ) ) ),
    inference(beta-eta_normalization,[],[f5177]) ).

thf(f5181,plain,
    ( $false
    = ( ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ sK3 )
           => ( ?? @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1
                    @ ( dsetconstr @ sK2
                      @ ^ [Y2: $i] : ( in @ ( kpair @ Y0 @ Y2 ) @ sK1 ) ) )
                  & ( ( setadjoin @ Y1 @ emptyset )
                    = ( dsetconstr @ sK2
                      @ ^ [Y2: $i] : ( in @ ( kpair @ Y0 @ Y2 ) @ sK1 ) ) ) ) ) ) )
      & ( subset @ sK1 @ ( cartprod @ sK3 @ sK2 ) ) ) ),
    inference(imp_proxy_clausification,[],[f5180]) ).

thf(f5182,plain,
    ( ( in @ sK1
      @ ( dsetconstr @ ( powerset @ ( cartprod @ sK3 @ sK2 ) )
        @ ^ [Y0: $i] :
            ( ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ sK3 )
                 => ( ?? @ $i
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2
                          @ ( dsetconstr @ sK2
                            @ ^ [Y3: $i] : ( in @ ( kpair @ Y1 @ Y3 ) @ Y0 ) ) )
                        & ( ( setadjoin @ Y2 @ emptyset )
                          = ( dsetconstr @ sK2
                            @ ^ [Y3: $i] : ( in @ ( kpair @ Y1 @ Y3 ) @ Y0 ) ) ) ) ) ) )
            & ( subset @ Y0 @ ( cartprod @ sK3 @ sK2 ) ) ) ) )
    = $true ),
    inference(imp_proxy_clausification,[],[f5180]) ).

thf(f5183,plain,
    ( ( ( subset @ sK1 @ ( cartprod @ sK3 @ sK2 ) )
      = $false )
    | ( $false
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ sK3 )
           => ( ?? @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1
                    @ ( dsetconstr @ sK2
                      @ ^ [Y2: $i] : ( in @ ( kpair @ Y0 @ Y2 ) @ sK1 ) ) )
                  & ( ( setadjoin @ Y1 @ emptyset )
                    = ( dsetconstr @ sK2
                      @ ^ [Y2: $i] : ( in @ ( kpair @ Y0 @ Y2 ) @ sK1 ) ) ) ) ) ) ) ) ),
    inference(and_proxy_clausification,[],[f5181]) ).

thf(f5185,definition,
    ( spl0_741
  <=> ( $false
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ sK3 )
           => ( ?? @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1
                    @ ( dsetconstr @ sK2
                      @ ^ [Y2: $i] : ( in @ ( kpair @ Y0 @ Y2 ) @ sK1 ) ) )
                  & ( ( setadjoin @ Y1 @ emptyset )
                    = ( dsetconstr @ sK2
                      @ ^ [Y2: $i] : ( in @ ( kpair @ Y0 @ Y2 ) @ sK1 ) ) ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[spl0_741])],[avatar_definition]) ).

thf(f5187,plain,
    ( ( $false
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ sK3 )
           => ( ?? @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1
                    @ ( dsetconstr @ sK2
                      @ ^ [Y2: $i] : ( in @ ( kpair @ Y0 @ Y2 ) @ sK1 ) ) )
                  & ( ( setadjoin @ Y1 @ emptyset )
                    = ( dsetconstr @ sK2
                      @ ^ [Y2: $i] : ( in @ ( kpair @ Y0 @ Y2 ) @ sK1 ) ) ) ) ) ) ) )
    | ~ spl0_741 ),
    inference(avatar_component_clause,[],[f5185]) ).

thf(f5189,definition,
    ( spl0_742
  <=> ( ( subset @ sK1 @ ( cartprod @ sK3 @ sK2 ) )
      = $false ) ),
    introduced(definition,[new_symbols(definition,[spl0_742])],[avatar_definition]) ).

thf(f5191,plain,
    ( ( ( subset @ sK1 @ ( cartprod @ sK3 @ sK2 ) )
      = $false )
    | ~ spl0_742 ),
    inference(avatar_component_clause,[],[f5189]) ).

thf(f5192,plain,
    ( spl0_741
    | spl0_742 ),
    inference(avatar_split_clause,[],[f5183,f5189,f5185]) ).

thf(f5537,plain,
    ( ( $true = $false )
    | ~ spl0_398
    | ~ spl0_399 ),
    inference(superposition,[],[f3046,f3051]) ).

thf(f5541,plain,
    ( $false
    | ~ spl0_398
    | ~ spl0_399 ),
    inference(trivial_inequality_removal,[],[f5537]) ).

thf(f5542,plain,
    ( ~ spl0_398
    | ~ spl0_399 ),
    inference(avatar_contradiction_clause,[],[f5541]) ).

thf(f7293,plain,
    ( ! [X1: $i] :
        ( ( ^ [Y0: $i] :
              ( !! @ ( $i > $o )
              @ ^ [Y1: $i > $o] :
                  ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( in @ Y0 @ ( dsetconstr @ Y2 @ Y1 ) )
                     => ( Y1 @ Y0 ) ) ) )
          @ X1 )
        = $true )
    | ~ spl0_400 ),
    inference(pi_proxy_clausification,[],[f3055]) ).

thf(f7294,plain,
    ( ! [X1: $i] :
        ( $true
        = ( !! @ ( $i > $o )
          @ ^ [Y0: $i > $o] :
              ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ X1 @ ( dsetconstr @ Y1 @ Y0 ) )
                 => ( Y0 @ X1 ) ) ) ) )
    | ~ spl0_400 ),
    inference(beta-eta_normalization,[],[f7293]) ).

thf(f7295,plain,
    ( ! [X2: $i > $o,X1: $i] :
        ( $true
        = ( ^ [Y0: $i > $o] :
              ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ X1 @ ( dsetconstr @ Y1 @ Y0 ) )
                 => ( Y0 @ X1 ) ) )
          @ X2 ) )
    | ~ spl0_400 ),
    inference(pi_proxy_clausification,[],[f7294]) ).

thf(f7296,plain,
    ( ! [X2: $i > $o,X1: $i] :
        ( $true
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( in @ X1 @ ( dsetconstr @ Y0 @ X2 ) )
             => ( X2 @ X1 ) ) ) )
    | ~ spl0_400 ),
    inference(beta-eta_normalization,[],[f7295]) ).

thf(f7297,plain,
    ( ! [X2: $i > $o,X3: $i,X1: $i] :
        ( $true
        = ( ^ [Y0: $i] :
              ( ( in @ X1 @ ( dsetconstr @ Y0 @ X2 ) )
             => ( X2 @ X1 ) )
          @ X3 ) )
    | ~ spl0_400 ),
    inference(pi_proxy_clausification,[],[f7296]) ).

thf(f7298,plain,
    ( ! [X2: $i > $o,X3: $i,X1: $i] :
        ( ( ( in @ X1 @ ( dsetconstr @ X3 @ X2 ) )
         => ( X2 @ X1 ) )
        = $true )
    | ~ spl0_400 ),
    inference(beta-eta_normalization,[],[f7297]) ).

thf(f7299,plain,
    ( ! [X2: $i > $o,X3: $i,X1: $i] :
        ( ( $false
          = ( in @ X1 @ ( dsetconstr @ X3 @ X2 ) ) )
        | ( $true
          = ( X2 @ X1 ) ) )
    | ~ spl0_400 ),
    inference(imp_proxy_clausification,[],[f7298]) ).

thf(f7364,plain,
    ( ( $true
      = ( ^ [Y0: $i] :
            ( ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ sK3 )
                 => ( ?? @ $i
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2
                          @ ( dsetconstr @ sK2
                            @ ^ [Y3: $i] : ( in @ ( kpair @ Y1 @ Y3 ) @ Y0 ) ) )
                        & ( ( setadjoin @ Y2 @ emptyset )
                          = ( dsetconstr @ sK2
                            @ ^ [Y3: $i] : ( in @ ( kpair @ Y1 @ Y3 ) @ Y0 ) ) ) ) ) ) )
            & ( subset @ Y0 @ ( cartprod @ sK3 @ sK2 ) ) )
        @ sK1 ) )
    | ( $true = $false )
    | ~ spl0_400 ),
    inference(superposition,[],[f7299,f5182]) ).

thf(f7376,plain,
    ( ( $true
      = ( ^ [Y0: $i] :
            ( ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ sK3 )
                 => ( ?? @ $i
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2
                          @ ( dsetconstr @ sK2
                            @ ^ [Y3: $i] : ( in @ ( kpair @ Y1 @ Y3 ) @ Y0 ) ) )
                        & ( ( setadjoin @ Y2 @ emptyset )
                          = ( dsetconstr @ sK2
                            @ ^ [Y3: $i] : ( in @ ( kpair @ Y1 @ Y3 ) @ Y0 ) ) ) ) ) ) )
            & ( subset @ Y0 @ ( cartprod @ sK3 @ sK2 ) ) )
        @ sK1 ) )
    | ~ spl0_400 ),
    inference(trivial_inequality_removal,[],[f7364]) ).

thf(f7377,plain,
    ( ( $true
      = ( ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ sK3 )
             => ( ?? @ $i
                @ ^ [Y1: $i] :
                    ( ( in @ Y1
                      @ ( dsetconstr @ sK2
                        @ ^ [Y2: $i] : ( in @ ( kpair @ Y0 @ Y2 ) @ sK1 ) ) )
                    & ( ( setadjoin @ Y1 @ emptyset )
                      = ( dsetconstr @ sK2
                        @ ^ [Y2: $i] : ( in @ ( kpair @ Y0 @ Y2 ) @ sK1 ) ) ) ) ) ) )
        & ( subset @ sK1 @ ( cartprod @ sK3 @ sK2 ) ) ) )
    | ~ spl0_400 ),
    inference(beta-eta_normalization,[],[f7376]) ).

thf(f7385,plain,
    ( ( $true
      = ( $false
        & ( subset @ sK1 @ ( cartprod @ sK3 @ sK2 ) ) ) )
    | ~ spl0_400
    | ~ spl0_741 ),
    inference(forward_demodulation,[],[f7377,f5187]) ).

thf(f7386,plain,
    ( ( $true = $false )
    | ~ spl0_400
    | ~ spl0_741 ),
    inference(boolean_simplification,[],[f7385]) ).

thf(f7387,plain,
    ( $false
    | ~ spl0_400
    | ~ spl0_741 ),
    inference(trivial_inequality_removal,[],[f7386]) ).

thf(f7388,plain,
    ( ~ spl0_400
    | ~ spl0_741 ),
    inference(avatar_contradiction_clause,[],[f7387]) ).

thf(f7389,plain,
    ( ( ( subset @ sK1 @ ( cartprod @ sK3 @ sK2 ) )
      = $true )
    | ~ spl0_400 ),
    inference(and_proxy_clausification,[],[f7377]) ).

thf(f7416,plain,
    ( ( $true = $false )
    | ~ spl0_400
    | ~ spl0_742 ),
    inference(forward_demodulation,[],[f7389,f5191]) ).

thf(f7417,plain,
    ( $false
    | ~ spl0_400
    | ~ spl0_742 ),
    inference(trivial_inequality_removal,[],[f7416]) ).

thf(f7418,plain,
    ( ~ spl0_400
    | ~ spl0_742 ),
    inference(avatar_contradiction_clause,[],[f7417]) ).

cnf(s202,plain,
    ( spl0_399
    | spl0_400 ),
    inference(sat_conversion,[],[f3056]) ).

cnf(s393,plain,
    spl0_398,
    inference(sat_conversion,[],[f4637]) ).

cnf(s568,plain,
    ( spl0_741
    | spl0_742 ),
    inference(sat_conversion,[],[f5192]) ).

cnf(s635,plain,
    ( ~ spl0_398
    | ~ spl0_399 ),
    inference(sat_conversion,[],[f5542]) ).

cnf(s763,plain,
    ( ~ spl0_400
    | ~ spl0_741 ),
    inference(sat_conversion,[],[f7388]) ).

cnf(s764,plain,
    ( ~ spl0_400
    | ~ spl0_742 ),
    inference(sat_conversion,[],[f7418]) ).

cnf(s849,plain,
    ~ spl0_399,
    inference(rat,[],[s635,s393]) ).

cnf(s904,plain,
    spl0_400,
    inference(rat,[],[s202,s849]) ).

cnf(s905,plain,
    ~ spl0_742,
    inference(rat,[],[s764,s904]) ).

cnf(s906,plain,
    ~ spl0_741,
    inference(rat,[],[s763,s904]) ).

cnf(s907,plain,
    $false,
    inference(rat,[],[s568,s905,s906]) ).

thf(f7419,plain,
    $false,
    inference(avatar_sat_refutation,[],[s907]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04  % Problem  : SEU675^1 : TPTP v9.3.1. Released v3.7.0.
% 0.00/0.07  % Command  : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.09/0.24  % Computer : n009.cluster.edu
% 0.09/0.24  % Model    : x86_64 x86_64
% 0.09/0.24  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.24  % Memory   : 8046.5625MB
% 0.09/0.24  % OS       : Linux 6.8.0-71-generic
% 0.09/0.24  % CPULimit : 300
% 0.09/0.24  % WCLimit  : 300
% 0.09/0.24  % DateTime : Tue Sep 29 14:07:30 UTC 2026
% 0.09/0.24  % CPUTime  : 
% 0.09/0.25  Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.09/0.29  Running higher-order theorem proving
% 0.25/0.37  Running: /export/starexec/sandbox2/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.93/0.60  % (4055320)Detected a higher-order problem, will run a greedy HOL sequence.
% 0.93/0.60  % (4055326)lrs+10_16_si=on:nwc=1.5:random_seed=779504935:i=18:kws=arity_squared:rtra=on:fe=abstraction:ntd=on_2999 on theBenchmark for (2999ds/18Mi)
% 0.93/0.60  % (4055326)Instruction limit reached! 
% 0.93/0.60  % (4055326)------------------------------
% 0.93/0.60  % (4055326)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.93/0.60  % (4055326)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.93/0.60  % (4055326)CaDiCaL version: 2.1.3
% 0.93/0.60  % (4055326)Termination reason: Instruction limit
% 0.93/0.60  % (4055326)Termination phase: shuffling
% 0.93/0.60  % (4055326)Time elapsed: 0.008 s
% 0.93/0.60  % (4055331)WARNING Broken Constraint: if ho_split_queue_ratios(1,8) has been set then ho_split_queue(off) is equal to on
% 0.93/0.60  % (4055326)Peak memory usage: 10 MB
% 0.93/0.60  % (4055326)Instructions burned: 19 (million)
% 0.93/0.60  % (4055331)WARNING Broken Constraint: if sine_to_age_tolerance(5) has been set then sine_to_age(off) is equal to on or sine_to_pred_levels(off) is not equal to off or sine_level_split_queue(off) is equal to on
% 0.93/0.60  % (4055325)lrs+10_40_drc=off:e2e=on:si=on:uwa=one_side_interpreted:random_seed=2563041299:s2a=on:i=87:rtra=on:ntd=on_2999 on theBenchmark for (2999ds/87Mi)
% 0.93/0.60  % (4055329)dis+21_4_fde=none:e2e=on:si=on:uwa=off:foolp=on:random_seed=1063266396:i=24:av=off:rtra=on_2999 on theBenchmark for (2999ds/24Mi)
% 0.93/0.60  % (4055331)dis+1002_8_to=kbo:sil=128000:tgt=full:drc=off:si=on:sp=const_max:lma=off:spb=non_intro:cbe=off:uwa=interpreted_only:random_seed=3888555228:hsqr=1,8:i=157:s2at=5:add=on:nm=2:rtra=on_2999 on theBenchmark for (2999ds/157Mi)
% 0.93/0.60  % (4055328)dis+1002_4:1_sfv=off:to=lpo:plsq=on:fde=none:e2e=on:si=on:spb=non_intro:acc=on:uwa=off:fd=preordered:foolp=on:s2agt=32:slsqc=1:slsq=on:random_seed=1554669992:hsq=on:hsqr=16,1:s2a=on:i=634:add=on:nm=16:nicw=on:rtra=on:gtg=position:ss=included:ixr=off:c=on:inj=on:ntd=on:rawr=on_2999 on theBenchmark for (2999ds/634Mi)
% 0.93/0.60  % (4055330)lrs+10_1_to=lpo:sil=128000:e2e=on:si=on:random_seed=4291200713:s2a=on:i=75:s2at=3:aac=none:bd=preordered:rtra=on:fe=abstraction_2999 on theBenchmark for (2999ds/75Mi)
% 0.93/0.60  % (4055329)Instruction limit reached! 
% 0.93/0.60  % (4055329)------------------------------
% 0.93/0.60  % (4055329)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.93/0.60  % (4055329)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.93/0.60  % (4055329)CaDiCaL version: 2.1.3
% 0.93/0.60  % (4055329)Termination reason: Instruction limit
% 0.93/0.60  % (4055329)Termination phase: Preprocessing 1
% 0.93/0.60  % (4055329)Time elapsed: 0.021 s
% 0.93/0.60  % (4055329)Peak memory usage: 10 MB
% 0.93/0.60  % (4055329)Instructions burned: 25 (million)
% 0.93/0.60  % (4055327)lrs+10_1_cnfonf=off:si=on:uwa=one_side_interpreted:random_seed=3189236706:i=3:rtra=on:inj=on:ntd=on_2999 on theBenchmark for (2999ds/3Mi)
% 0.93/0.60  % (4055333)dis+10_1024_sil=128000:si=on:sp=unary_first:urr=on:uwa=all:fd=off:random_seed=3615238941:i=2:hud=10:rtra=on_2999 on theBenchmark for (2999ds/2Mi)
% 0.93/0.60  % (4055333)Instruction limit reached! 
% 0.93/0.60  % (4055333)------------------------------
% 0.93/0.60  % (4055333)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.93/0.60  % (4055333)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.93/0.60  % (4055333)CaDiCaL version: 2.1.3
% 0.93/0.60  % (4055333)Termination reason: Instruction limit
% 0.93/0.60  % (4055333)Termination phase: shuffling
% 0.93/0.60  % (4055333)Time elapsed: 0.003 s
% 0.93/0.60  % (4055333)Peak memory usage: 10 MB
% 0.93/0.60  % (4055333)Instructions burned: 2 (million)
% 0.93/0.60  % (4055327)Instruction limit reached! 
% 0.93/0.60  % (4055327)------------------------------
% 0.93/0.60  % (4055327)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.93/0.60  % (4055327)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.93/0.60  % (4055327)CaDiCaL version: 2.1.3
% 0.93/0.60  % (4055327)Termination reason: Instruction limit
% 0.93/0.60  % (4055327)Termination phase: shuffling
% 0.93/0.60  % (4055327)Time elapsed: 0.009 s
% 0.93/0.60  % (4055327)Peak memory usage: 10 MB
% 0.93/0.60  % (4055327)Instructions burned: 3 (million)
% 0.93/0.60  % (4055343)lrs+10_1_sil=128000:si=on:urr=on:slsqc=1:slsq=on:random_seed=3132544262:i=12:s2at=2:kws=inv_frequency:bd=all:rtra=on_2998 on theBenchmark for (2998ds/12Mi)
% 1.81/0.66  % (4055339)lrs+1010_2:3_cha=on:si=on:uwa=off:nwc=1:random_seed=2699101297:i=5:fgj=on:av=off:rtra=on:fe=axiom:ntd=on_2999 on theBenchmark for (2999ds/5Mi)
% 1.81/0.66  % (4055342)WARNING Broken Constraint: if forward_subsumption_demodulation_max_matches(5) has been set then forward_subsumption_demodulation(off) is equal to on
% 1.81/0.66  % (4055339)Instruction limit reached! 
% 1.81/0.66  % (4055339)------------------------------
% 1.81/0.66  % (4055339)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 1.81/0.66  % (4055339)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.81/0.66  % (4055339)CaDiCaL version: 2.1.3
% 1.81/0.66  % (4055339)Termination reason: Instruction limit
% 1.81/0.66  % (4055339)Termination phase: shuffling
% 1.81/0.66  % (4055339)Time elapsed: 0.005 s
% 1.81/0.66  % (4055339)Peak memory usage: 10 MB
% 1.81/0.66  % (4055339)Instructions burned: 5 (million)
% 1.81/0.66  % (4055343)Instruction limit reached! 
% 1.81/0.66  % (4055343)------------------------------
% 1.81/0.66  % (4055343)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 1.81/0.66  % (4055343)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.81/0.66  % (4055343)CaDiCaL version: 2.1.3
% 1.81/0.66  % (4055343)Termination reason: Instruction limit
% 1.81/0.66  % (4055343)Termination phase: shuffling
% 1.81/0.66  % (4055343)Time elapsed: 0.007 s
% 1.81/0.66  % (4055343)Peak memory usage: 10 MB
% 1.81/0.66  % (4055343)Instructions burned: 13 (million)
% 1.81/0.66  % (4055330)Instruction limit reached! 
% 1.81/0.66  % (4055330)------------------------------
% 1.81/0.66  % (4055330)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 1.81/0.66  % (4055330)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.81/0.66  % (4055330)CaDiCaL version: 2.1.3
% 1.81/0.66  % (4055330)Termination reason: Instruction limit
% 1.81/0.66  % (4055330)Termination phase: Property scanning
% 1.81/0.66  % (4055330)Time elapsed: 0.064 s
% 1.81/0.66  % (4055330)Peak memory usage: 12 MB
% 1.81/0.66  % (4055330)Instructions burned: 75 (million)
% 1.81/0.66  % (4055342)dis+21_1_to=kbo:sil=128000:plsq=on:plsqc=1:cnfonf=lazy_gen:si=on:plsqr=64,1:uwa=hol:random_seed=1755290226:uwa_fpi=on:i=7:fgj=on:hud=10:fsr=off:rtra=on:rawr=on:fsdmm=5_2998 on theBenchmark for (2998ds/7Mi)
% 1.81/0.66  % (4055325)Instruction limit reached! 
% 1.81/0.66  % (4055325)------------------------------
% 1.81/0.66  % (4055325)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 1.81/0.66  % (4055325)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.81/0.66  % (4055325)CaDiCaL version: 2.1.3
% 1.81/0.66  % (4055325)Termination reason: Instruction limit
% 1.81/0.66  % (4055325)Termination phase: Property scanning
% 1.81/0.66  % (4055325)Time elapsed: 0.074 s
% 1.81/0.66  % (4055325)Peak memory usage: 12 MB
% 1.81/0.66  % (4055325)Instructions burned: 88 (million)
% 1.81/0.66  % (4055342)Instruction limit reached! 
% 1.81/0.66  % (4055342)------------------------------
% 1.81/0.66  % (4055342)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 1.81/0.66  % (4055342)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.81/0.66  % (4055342)CaDiCaL version: 2.1.3
% 1.81/0.66  % (4055342)Termination reason: Instruction limit
% 1.81/0.66  % (4055342)Termination phase: shuffling
% 1.81/0.66  % (4055342)Time elapsed: 0.007 s
% 1.81/0.66  % (4055342)Peak memory usage: 10 MB
% 1.81/0.66  % (4055342)Instructions burned: 7 (million)
% 1.81/0.66  % (4055347)lrs+1002_64_sil=128000:plsq=on:plsqc=1:cnfonf=lazy_gen:si=on:sp=occurrence:lma=off:plsqr=32,1:uwa=interpreted_only:random_seed=31566671:i=86:piset=equals:rtra=on:ntd=on_2998 on theBenchmark for (2998ds/86Mi)
% 1.81/0.66  % (4055346)WARNING Broken Constraint: if sine_to_age_tolerance(5) has been set then sine_to_age(off) is equal to on or sine_to_pred_levels(off) is not equal to off or sine_level_split_queue(off) is equal to on
% 1.81/0.66  % (4055346)WARNING Broken Constraint: if forward_subsumption_demodulation_max_matches(1) has been set then forward_subsumption_demodulation(off) is equal to on
% 1.81/0.66  % (4055348)lrs+10_1_si=on:cs=on:random_seed=1403060129:i=8:rtra=on:ntd=on_2998 on theBenchmark for (2998ds/8Mi)
% 1.81/0.66  % (4055346)ott+1010_64_tgt=ground:cnfonf=lazy_simp:si=on:lma=off:spb=goal:lcm=predicate:random_seed=2069155125:i=28:s2at=5:piset=not:hud=10:bd=all:av=off:rtra=on:ixr=off:fsdmm=1_2998 on theBenchmark for (2998ds/28Mi)
% 1.81/0.66  % (4055350)WARNING Broken Constraint: if positive_literal_split_queue_ratios(1,32) has been set then positive_literal_split_queue(off) is equal to on
% 2.08/0.72  % (4055348)Instruction limit reached! 
% 2.08/0.72  % (4055348)------------------------------
% 2.08/0.72  % (4055348)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 2.08/0.72  % (4055348)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.08/0.72  % (4055348)CaDiCaL version: 2.1.3
% 2.08/0.72  % (4055348)Termination reason: Instruction limit
% 2.08/0.72  % (4055348)Termination phase: shuffling
% 2.08/0.72  % (4055348)Time elapsed: 0.007 s
% 2.08/0.72  % (4055348)Peak memory usage: 10 MB
% 2.08/0.72  % (4055348)Instructions burned: 8 (million)
% 2.08/0.72  % (4055350)ott+1002_20_sil=128000:cnfonf=lazy_not_gen_be_off:si=on:sp=unary_frequency:plsqr=1,32:bce=on:uwa=interpreted_only:foolp=on:random_seed=1168318138:i=2:add=on:rtra=on_2998 on theBenchmark for (2998ds/2Mi)
% 2.08/0.72  % (4055351)lrs+1002_3:1_sil=128000:e2e=on:si=on:urr=on:uwa=one_side_constant:nwc=1.5:random_seed=3679914222:i=38:bd=all:rtra=on:amm=off:ss=axioms:ntd=on_2998 on theBenchmark for (2998ds/38Mi)
% 2.08/0.72  % (4055350)Instruction limit reached! 
% 2.08/0.72  % (4055350)------------------------------
% 2.08/0.72  % (4055350)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 2.08/0.72  % (4055350)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.08/0.72  % (4055350)CaDiCaL version: 2.1.3
% 2.08/0.72  % (4055350)Termination reason: Instruction limit
% 2.08/0.72  % (4055350)Termination phase: shuffling
% 2.08/0.72  % (4055350)Time elapsed: 0.003 s
% 2.08/0.72  % (4055350)Peak memory usage: 10 MB
% 2.08/0.72  % (4055350)Instructions burned: 3 (million)
% 2.08/0.72  % (4055347)Instruction limit reached! 
% 2.08/0.72  % (4055347)------------------------------
% 2.08/0.72  % (4055347)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 2.08/0.72  % (4055347)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.08/0.72  % (4055347)CaDiCaL version: 2.1.3
% 2.08/0.72  % (4055347)Termination reason: Instruction limit
% 2.08/0.72  % (4055347)Termination phase: Property scanning
% 2.08/0.72  % (4055347)Time elapsed: 0.037 s
% 2.08/0.72  % (4055347)Peak memory usage: 11 MB
% 2.08/0.72  % (4055347)Instructions burned: 88 (million)
% 2.08/0.72  % (4055346)Instruction limit reached! 
% 2.08/0.72  % (4055346)------------------------------
% 2.08/0.72  % (4055346)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 2.08/0.72  % (4055346)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.08/0.72  % (4055346)CaDiCaL version: 2.1.3
% 2.08/0.72  % (4055346)Termination reason: Instruction limit
% 2.08/0.72  % (4055346)Termination phase: Property scanning
% 2.08/0.72  % (4055346)Time elapsed: 0.023 s
% 2.08/0.72  % (4055346)Peak memory usage: 10 MB
% 2.08/0.72  % (4055346)Instructions burned: 28 (million)
% 2.08/0.72  % (4055331)Instruction limit reached! 
% 2.08/0.72  % (4055331)------------------------------
% 2.08/0.72  % (4055331)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 2.08/0.72  % (4055331)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.08/0.72  % (4055331)CaDiCaL version: 2.1.3
% 2.08/0.72  % (4055331)Termination reason: Instruction limit
% 2.08/0.72  % (4055331)Termination phase: Saturation
% 2.08/0.72  % (4055331)Time elapsed: 0.126 s
% 2.08/0.72  % (4055331)Peak memory usage: 14 MB
% 2.08/0.72  % (4055331)Instructions burned: 157 (million)
% 2.08/0.72  % (4055359)lrs+10_16:1_sil=128000:si=on:lma=off:urr=on:uwa=interpreted_only:random_seed=3346547111:i=14:kws=precedence:aac=none:nm=10:rtra=on:er=filter:ntd=on_2998 on theBenchmark for (2998ds/14Mi)
% 2.08/0.72  % (4055355)lrs+1002_1_to=lpo:sil=128000:si=on:sos=on:spb=goal_then_units:uwa=off:random_seed=524584235:st=2:i=249:sd=1:rtra=on:ss=axioms_2998 on theBenchmark for (2998ds/249Mi)
% 2.08/0.72  % (4055351)Instruction limit reached! 
% 2.08/0.72  % (4055351)------------------------------
% 2.08/0.72  % (4055351)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 2.08/0.72  % (4055351)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.08/0.72  % (4055351)CaDiCaL version: 2.1.3
% 2.08/0.72  % (4055351)Termination reason: Instruction limit
% 2.08/0.72  % (4055351)Termination phase: Preprocessing 3
% 2.08/0.72  % (4055351)Time elapsed: 0.032 s
% 2.08/0.72  % (4055351)Peak memory usage: 11 MB
% 2.08/0.72  % (4055351)Instructions burned: 38 (million)
% 2.08/0.72  % (4055359)Instruction limit reached! 
% 2.08/0.72  % (4055359)------------------------------
% 2.66/0.86  % (4055359)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 2.66/0.86  % (4055359)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.66/0.86  % (4055359)CaDiCaL version: 2.1.3
% 2.66/0.86  % (4055359)Termination reason: Instruction limit
% 2.66/0.86  % (4055359)Termination phase: shuffling
% 2.66/0.86  % (4055359)Time elapsed: 0.006 s
% 2.66/0.86  % (4055359)Peak memory usage: 10 MB
% 2.66/0.86  % (4055359)Instructions burned: 14 (million)
% 2.66/0.86  % (4055358)dis+1002_1_sil=128000:fde=unused:e2e=on:si=on:cbe=off:uwa=off:random_seed=4277298798:hsq=on:st=2:i=25:kws=inv_frequency:rtra=on:ss=axioms:ntd=on_2998 on theBenchmark for (2998ds/25Mi)
% 2.66/0.86  % (4055360)dis+1010_1_sil=128000:si=on:uwa=off:random_seed=12924908:st=3:s2a=on:i=327:sd=3:rtra=on:ss=axioms_2998 on theBenchmark for (2998ds/327Mi)
% 2.66/0.86  % (4055361)dis+10_1_anc=all_dependent:to=kbo:sil=128000:si=on:chr=on:random_seed=800382435:uwa_fpi=on:i=14:aac=none:rtra=on:fe=abstraction_2998 on theBenchmark for (2998ds/14Mi)
% 2.66/0.86  % (4055365)ott+21_20_to=lpo:sil=128000:tgt=ground:si=on:sp=arity:lma=off:uwa=off:foolp=on:random_seed=203188767:st=4:i=2:add=off:sd=3:nm=16:fsr=off:rtra=on:ss=axioms:sgt=8:ntd=on_2997 on theBenchmark for (2997ds/2Mi)
% 2.66/0.86  % (4055365)Instruction limit reached! 
% 2.66/0.86  % (4055365)------------------------------
% 2.66/0.86  % (4055365)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 2.66/0.86  % (4055365)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.66/0.86  % (4055365)CaDiCaL version: 2.1.3
% 2.66/0.86  % (4055365)Termination reason: Instruction limit
% 2.66/0.86  % (4055365)Termination phase: shuffling
% 2.66/0.86  % (4055365)Time elapsed: 0.002 s
% 2.66/0.86  % (4055365)Peak memory usage: 10 MB
% 2.66/0.86  % (4055365)Instructions burned: 5 (million)
% 2.66/0.86  % (4055358)Instruction limit reached! 
% 2.66/0.86  % (4055358)------------------------------
% 2.66/0.86  % (4055358)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 2.66/0.86  % (4055358)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.66/0.86  % (4055358)CaDiCaL version: 2.1.3
% 2.66/0.86  % (4055358)Termination reason: Instruction limit
% 2.66/0.86  % (4055358)Termination phase: SInE selection
% 2.66/0.86  % (4055358)Time elapsed: 0.022 s
% 2.66/0.86  % (4055358)Peak memory usage: 11 MB
% 2.66/0.86  % (4055358)Instructions burned: 25 (million)
% 2.66/0.86  % (4055361)Instruction limit reached! 
% 2.66/0.86  % (4055361)------------------------------
% 2.66/0.86  % (4055361)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 2.66/0.86  % (4055361)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.66/0.86  % (4055361)CaDiCaL version: 2.1.3
% 2.66/0.86  % (4055361)Termination reason: Instruction limit
% 2.66/0.86  % (4055361)Termination phase: shuffling
% 2.66/0.86  % (4055361)Time elapsed: 0.013 s
% 2.66/0.86  % (4055361)Peak memory usage: 10 MB
% 2.66/0.86  % (4055361)Instructions burned: 15 (million)
% 2.66/0.86  % (4055366)ott+1004_1_sil=128000:cnfonf=lazy_pi_sigma_gen:si=on:sp=unary_frequency:cbe=off:uwa=off:nwc=1:random_seed=3488447042:i=26:ep=R:rtra=on:ntd=on_2997 on theBenchmark for (2997ds/26Mi)
% 2.66/0.86  % (4055370)dis+1002_16_sil=128000:si=on:sp=occurrence:random_seed=1148050901:cond=fast:i=23:hud=1:av=off:rtra=on:fe=abstraction:ntd=on_2997 on theBenchmark for (2997ds/23Mi)
% 2.66/0.86  % (4055370)Instruction limit reached! 
% 2.66/0.86  % (4055370)------------------------------
% 2.66/0.86  % (4055370)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 2.66/0.86  % (4055370)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.66/0.86  % (4055370)CaDiCaL version: 2.1.3
% 2.66/0.86  % (4055370)Termination reason: Instruction limit
% 2.66/0.86  % (4055370)Termination phase: Property scanning
% 2.66/0.86  % (4055370)Time elapsed: 0.011 s
% 2.66/0.86  % (4055370)Peak memory usage: 11 MB
% 2.66/0.86  % (4055370)Instructions burned: 24 (million)
% 2.66/0.86  % (4055371)lrs+1002_1024_sil=128000:tgt=ground:fde=none:e2e=on:si=on:uwa=off:nwc=1:random_seed=840354090:cond=on:i=60:rtra=on:ntd=on_2997 on theBenchmark for (2997ds/60Mi)
% 2.66/0.86  % (4055372)WARNING Broken Constraint: if sine_to_age_generality_threshold(10) has been set then sine_to_age(off) is equal to on or sine_to_pred_levels(off) is not equal to off or sine_level_split_queue(off) is equal to on
% 2.66/0.86  % (4055372)WARNING Broken Constraint: if lrs_weight_limit_only(on) has been set then saturation_algorithm(otter) is equal to lrs
% 3.29/0.94  % (4055366)Instruction limit reached! 
% 3.29/0.94  % (4055366)------------------------------
% 3.29/0.94  % (4055366)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.29/0.94  % (4055366)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.29/0.94  % (4055366)CaDiCaL version: 2.1.3
% 3.29/0.94  % (4055366)Termination reason: Instruction limit
% 3.29/0.94  % (4055366)Termination phase: Property scanning
% 3.29/0.94  % (4055366)Time elapsed: 0.023 s
% 3.29/0.94  % (4055366)Peak memory usage: 10 MB
% 3.29/0.94  % (4055366)Instructions burned: 26 (million)
% 3.29/0.94  % (4055372)ott+21_1_to=kbo:sil=128000:cnfonf=lazy_gen:bsd=on:si=on:sp=const_frequency:lma=off:uwa=off:foolp=on:s2agt=10:lwlo=on:random_seed=3556801110:i=14:add=off:nm=40:rtra=on:rawr=on_2997 on theBenchmark for (2997ds/14Mi)
% 3.29/0.94  % (4055372)Instruction limit reached! 
% 3.29/0.94  % (4055372)------------------------------
% 3.29/0.94  % (4055372)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.29/0.94  % (4055372)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.29/0.94  % (4055372)CaDiCaL version: 2.1.3
% 3.29/0.94  % (4055372)Termination reason: Instruction limit
% 3.29/0.94  % (4055372)Termination phase: shuffling
% 3.29/0.94  % (4055372)Time elapsed: 0.013 s
% 3.29/0.94  % (4055372)Peak memory usage: 10 MB
% 3.29/0.94  % (4055372)Instructions burned: 15 (million)
% 3.29/0.94  % (4055375)WARNING Broken Constraint: if choice_reasoning(on) has been set then choice_ax(on) is equal to off
% 3.29/0.94  % (4055375)lrs+1010_4:1_slsqr=8,1:to=kbo:cha=on:drc=off:si=on:sp=arity:lcm=predicate:uwa=off:fd=preordered:gs=on:nwc=5:s2agt=32:slsqc=1:kmz=on:updr=off:chr=on:pe=on:slsq=on:random_seed=2849343104:i=8:nm=2:rtra=on:fe=abstraction:inj=on_2997 on theBenchmark for (2997ds/8Mi)
% 3.29/0.94  % (4055377)dis+1004_50_to=lpo:drc=off:fde=unused:cnfonf=lazy_not_gen_be_off:si=on:sp=reverse_arity:spb=units:cbe=off:foolp=on:random_seed=3905685071:uwa_fpi=on:i=31:doe=on:bd=preordered:rtra=on:fsd=on_2997 on theBenchmark for (2997ds/31Mi)
% 3.29/0.94  % (4055375)Instruction limit reached! 
% 3.29/0.94  % (4055375)------------------------------
% 3.29/0.94  % (4055375)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.29/0.94  % (4055375)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.29/0.94  % (4055375)CaDiCaL version: 2.1.3
% 3.29/0.94  % (4055375)Termination reason: Instruction limit
% 3.29/0.94  % (4055375)Termination phase: shuffling
% 3.29/0.94  % (4055375)Time elapsed: 0.007 s
% 3.29/0.94  % (4055375)Peak memory usage: 10 MB
% 3.29/0.94  % (4055375)Instructions burned: 8 (million)
% 3.29/0.94  % (4055371)Instruction limit reached! 
% 3.29/0.94  % (4055371)------------------------------
% 3.29/0.94  % (4055371)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.29/0.94  % (4055371)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.29/0.94  % (4055371)CaDiCaL version: 2.1.3
% 3.29/0.94  % (4055371)Termination reason: Instruction limit
% 3.29/0.94  % (4055371)Termination phase: Clausification
% 3.29/0.94  % (4055371)Time elapsed: 0.053 s
% 3.29/0.94  % (4055371)Peak memory usage: 12 MB
% 3.29/0.94  % (4055371)Instructions burned: 60 (million)
% 3.29/0.94  % (4055379)dis+10_1024_sil=128000:cnfonf=off:si=on:fd=off:random_seed=2758590636:i=7:hud=5:bd=preordered:rtra=on:bet=on_2997 on theBenchmark for (2997ds/7Mi)
% 3.29/0.94  % (4055382)lrs+10_1_plsq=on:drc=ordering:cnfonf=lazy_not_gen_be_off:bsd=on:si=on:plsqr=32,1:cs=on:random_seed=2421308023:i=23:rtra=on:ntd=on_2996 on theBenchmark for (2996ds/23Mi)
% 3.29/0.94  % (4055377)Instruction limit reached! 
% 3.29/0.94  % (4055377)------------------------------
% 3.29/0.94  % (4055377)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.29/0.94  % (4055377)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.29/0.94  % (4055377)CaDiCaL version: 2.1.3
% 3.29/0.94  % (4055377)Termination reason: Instruction limit
% 3.29/0.94  % (4055377)Termination phase: Property scanning
% 3.29/0.94  % (4055377)Time elapsed: 0.026 s
% 3.29/0.94  % (4055377)Peak memory usage: 10 MB
% 3.29/0.94  % (4055377)Instructions burned: 31 (million)
% 3.29/0.94  % (4055379)Instruction limit reached! 
% 3.29/0.94  % (4055379)------------------------------
% 3.29/0.94  % (4055379)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.29/0.94  % (4055379)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.29/1.06  % (4055379)CaDiCaL version: 2.1.3
% 3.29/1.06  % (4055379)Termination reason: Instruction limit
% 3.29/1.06  % (4055379)Termination phase: shuffling
% 3.29/1.06  % (4055379)Time elapsed: 0.007 s
% 3.29/1.06  % (4055379)Peak memory usage: 10 MB
% 3.29/1.06  % (4055379)Instructions burned: 8 (million)
% 3.29/1.06  % (4055382)Instruction limit reached! 
% 3.29/1.06  % (4055382)------------------------------
% 3.29/1.06  % (4055382)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.29/1.06  % (4055382)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.29/1.06  % (4055382)CaDiCaL version: 2.1.3
% 3.29/1.06  % (4055382)Termination reason: Instruction limit
% 3.29/1.06  % (4055382)Termination phase: Property scanning
% 3.29/1.06  % (4055382)Time elapsed: 0.021 s
% 3.29/1.06  % (4055382)Peak memory usage: 11 MB
% 3.29/1.06  % (4055382)Instructions burned: 29 (million)
% 3.29/1.06  % (4055384)lrs+10_1_sil=128000:fde=unused:si=on:random_seed=3004199737:s2a=on:i=20:kws=inv_frequency:bd=all:rtra=on_2996 on theBenchmark for (2996ds/20Mi)
% 3.29/1.06  % (4055386)dis+1010_2:1_sil=128000:cnfonf=lazy_pi_sigma_gen:si=on:uwa=off:slsq=on:random_seed=1104607633:i=1240:rtra=on:ixr=off_2996 on theBenchmark for (2996ds/1240Mi)
% 3.29/1.06  % (4055387)ott+1002_32_tgt=ground:si=on:sp=const_max:acc=on:nwc=0.5:random_seed=1193534166:i=143:fgj=on:piset=pi_sigma:rtra=on:fe=abstraction_2996 on theBenchmark for (2996ds/143Mi)
% 3.29/1.06  % (4055388)lrs+1002_1_sil=128000:si=on:acc=on:uwa=off:random_seed=1730842105:st=5:s2a=on:i=193:sd=1:rtra=on:ss=axioms_2996 on theBenchmark for (2996ds/193Mi)
% 3.29/1.06  % (4055384)Instruction limit reached! 
% 3.29/1.06  % (4055384)------------------------------
% 3.29/1.06  % (4055384)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.29/1.06  % (4055384)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.29/1.06  % (4055384)CaDiCaL version: 2.1.3
% 3.29/1.06  % (4055384)Termination reason: Instruction limit
% 3.29/1.06  % (4055384)Termination phase: shuffling
% 3.29/1.06  % (4055384)Time elapsed: 0.019 s
% 3.29/1.06  % (4055384)Peak memory usage: 10 MB
% 3.29/1.06  % (4055384)Instructions burned: 21 (million)
% 3.29/1.06  % (4055393)dis+10_1024_sil=128000:si=on:sp=unary_first:urr=on:uwa=all:fd=off:random_seed=2885638602:i=42:hud=10:rtra=on_2996 on theBenchmark for (2996ds/42Mi)
% 3.29/1.06  % (4055355)Instruction limit reached! 
% 3.29/1.06  % (4055355)------------------------------
% 3.29/1.06  % (4055355)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.29/1.06  % (4055355)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.29/1.06  % (4055355)CaDiCaL version: 2.1.3
% 3.29/1.06  % (4055355)Termination reason: Instruction limit
% 3.29/1.06  % (4055355)Termination phase: Saturation
% 3.29/1.06  % (4055355)Time elapsed: 0.219 s
% 3.29/1.06  % (4055355)Peak memory usage: 15 MB
% 3.29/1.06  % (4055355)Instructions burned: 249 (million)
% 3.29/1.06  % (4055393)Instruction limit reached! 
% 3.29/1.06  % (4055393)------------------------------
% 3.29/1.06  % (4055393)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.29/1.06  % (4055393)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.29/1.06  % (4055393)CaDiCaL version: 2.1.3
% 3.29/1.06  % (4055393)Termination reason: Instruction limit
% 3.29/1.06  % (4055393)Termination phase: Preprocessing 2
% 3.29/1.06  % (4055393)Time elapsed: 0.035 s
% 3.29/1.06  % (4055393)Peak memory usage: 11 MB
% 3.29/1.06  % (4055393)Instructions burned: 43 (million)
% 3.29/1.06  % (4055388)Instruction limit reached! 
% 3.29/1.06  % (4055388)------------------------------
% 3.29/1.06  % (4055388)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.29/1.06  % (4055388)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.29/1.06  % (4055388)CaDiCaL version: 2.1.3
% 3.29/1.06  % (4055388)Termination reason: Instruction limit
% 3.29/1.06  % (4055388)Termination phase: Saturation
% 3.29/1.06  % (4055388)Time elapsed: 0.083 s
% 3.29/1.06  % (4055388)Peak memory usage: 14 MB
% 3.29/1.06  % (4055388)Instructions burned: 193 (million)
% 3.29/1.06  % (4055395)WARNING Broken Constraint: if forward_subsumption_demodulation_max_matches(5) has been set then forward_subsumption_demodulation(off) is equal to on
% 3.29/1.06  % (4055395)dis+21_1_to=kbo:sil=128000:plsq=on:plsqc=1:cnfonf=lazy_gen:si=on:plsqr=64,1:uwa=hol:random_seed=632585067:uwa_fpi=on:i=7:fgj=on:hud=10:fsr=off:rtra=on:rawr=on:fsdmm=5_2995 on theBenchmark for (2995ds/7Mi)
% 3.29/1.06  % (4055395)Instruction limit reached! 
% 5.24/1.20  % (4055395)------------------------------
% 5.24/1.20  % (4055395)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 5.24/1.20  % (4055395)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.24/1.20  % (4055395)CaDiCaL version: 2.1.3
% 5.24/1.20  % (4055395)Termination reason: Instruction limit
% 5.24/1.20  % (4055395)Termination phase: shuffling
% 5.24/1.20  % (4055395)Time elapsed: 0.006 s
% 5.24/1.20  % (4055395)Peak memory usage: 10 MB
% 5.24/1.20  % (4055395)Instructions burned: 7 (million)
% 5.24/1.20  % (4055397)dis+10_8_sil=128000:plsq=on:plsqc=1:si=on:sp=unary_first:sos=on:lma=off:plsqr=64,1:uwa=interpreted_only:foolp=on:random_seed=2161241828:st=3:avsq=on:i=169:avsqr=8,1:sd=2:kws=precedence:bd=preordered:rtra=on:ss=axioms:ntd=on_2995 on theBenchmark for (2995ds/169Mi)
% 5.24/1.20  % (4055396)lrs+10_1_to=lpo:sil=128000:si=on:sp=arity:urr=on:random_seed=3909254721:i=181:sd=2:bd=preordered:rtra=on:ss=axioms_2995 on theBenchmark for (2995ds/181Mi)
% 5.24/1.20  % (4055387)Instruction limit reached! 
% 5.24/1.20  % (4055387)------------------------------
% 5.24/1.20  % (4055387)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 5.24/1.20  % (4055387)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.24/1.20  % (4055387)CaDiCaL version: 2.1.3
% 5.24/1.20  % (4055387)Termination reason: Instruction limit
% 5.24/1.20  % (4055387)Termination phase: Saturation
% 5.24/1.20  % (4055387)Time elapsed: 0.127 s
% 5.24/1.20  % (4055387)Peak memory usage: 13 MB
% 5.24/1.20  % (4055387)Instructions burned: 144 (million)
% 5.24/1.20  % (4055400)WARNING Broken Constraint: if sine_level_split_queue_cutoffs(5) has been set then sine_level_split_queue(off) is equal to on
% 5.24/1.20  % (4055400)lrs+1002_1_sil=128000:cnfonf=lazy_pi_sigma_gen:si=on:sp=arity:cbe=off:uwa=all:slsqc=5:random_seed=3770010277:st=4:s2a=on:i=6:add=on:doe=on:hud=10:rtra=on:bet=on:ss=axioms_2995 on theBenchmark for (2995ds/6Mi)
% 5.24/1.20  % (4055360)Instruction limit reached! 
% 5.24/1.20  % (4055360)------------------------------
% 5.24/1.20  % (4055360)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 5.24/1.20  % (4055360)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.24/1.20  % (4055360)CaDiCaL version: 2.1.3
% 5.24/1.20  % (4055360)Termination reason: Instruction limit
% 5.24/1.20  % (4055360)Termination phase: Saturation
% 5.24/1.20  % (4055360)Time elapsed: 0.283 s
% 5.24/1.20  % (4055360)Peak memory usage: 15 MB
% 5.24/1.20  % (4055360)Instructions burned: 327 (million)
% 5.24/1.20  % (4055400)Instruction limit reached! 
% 5.24/1.20  % (4055400)------------------------------
% 5.24/1.20  % (4055400)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 5.24/1.20  % (4055400)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.24/1.20  % (4055400)CaDiCaL version: 2.1.3
% 5.24/1.20  % (4055400)Termination reason: Instruction limit
% 5.24/1.20  % (4055400)Termination phase: shuffling
% 5.24/1.20  % (4055400)Time elapsed: 0.006 s
% 5.24/1.20  % (4055400)Peak memory usage: 10 MB
% 5.24/1.20  % (4055400)Instructions burned: 7 (million)
% 5.24/1.20  % (4055402)ott+2_5:4_anc=none:to=lpo:si=on:lma=off:cbe=off:uwa=ground:nwc=3:random_seed=3074770125:uwa_fpi=on:i=22:add=on:doe=on:ins=1:rtra=on_2995 on theBenchmark for (2995ds/22Mi)
% 5.24/1.20  % (4055404)dis+1010_1_to=lpo:sil=128000:cnfonf=lazy_pi_sigma_gen:sas=cadical:si=on:sos=all:uwa=off:sac=on:random_seed=4293456178:i=19:add=on:rtra=on_2994 on theBenchmark for (2994ds/19Mi)
% 5.24/1.20  % (4055405)ott+10_1_sil=128000:plsq=on:plsqc=1:cnfonf=lazy_gen:si=on:lma=off:plsqr=128,1:urr=ec_only:uwa=off:rp=on:nwc=20:br=off:random_seed=1904748404:i=316:bs=unit_only:ins=25:rtra=on:ntd=on_2994 on theBenchmark for (2994ds/316Mi)
% 5.24/1.20  % (4055397)Instruction limit reached! 
% 5.24/1.20  % (4055397)------------------------------
% 5.24/1.20  % (4055397)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 5.24/1.20  % (4055397)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.24/1.20  % (4055397)CaDiCaL version: 2.1.3
% 5.24/1.20  % (4055397)Termination reason: Instruction limit
% 5.24/1.20  % (4055397)Termination phase: Saturation
% 5.24/1.20  % (4055397)Time elapsed: 0.072 s
% 5.24/1.20  % (4055397)Peak memory usage: 14 MB
% 5.24/1.20  % (4055397)Instructions burned: 170 (million)
% 5.24/1.20  % (4055402)Instruction limit reached! 
% 5.24/1.20  % (4055402)------------------------------
% 5.24/1.20  % (4055402)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.18/1.34  % (4055402)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.18/1.34  % (4055402)CaDiCaL version: 2.1.3
% 6.18/1.34  % (4055402)Termination reason: Instruction limit
% 6.18/1.34  % (4055402)Termination phase: shuffling
% 6.18/1.34  % (4055402)Time elapsed: 0.020 s
% 6.18/1.34  % (4055402)Peak memory usage: 10 MB
% 6.18/1.34  % (4055402)Instructions burned: 22 (million)
% 6.18/1.34  % (4055404)Instruction limit reached! 
% 6.18/1.34  % (4055404)------------------------------
% 6.18/1.34  % (4055404)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.18/1.34  % (4055404)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.18/1.34  % (4055404)CaDiCaL version: 2.1.3
% 6.18/1.34  % (4055404)Termination reason: Instruction limit
% 6.18/1.34  % (4055404)Termination phase: shuffling
% 6.18/1.34  % (4055404)Time elapsed: 0.016 s
% 6.18/1.34  % (4055404)Peak memory usage: 10 MB
% 6.18/1.34  % (4055404)Instructions burned: 19 (million)
% 6.18/1.34  % (4055409)dis+1004_4:1_slsqr=1,2:to=lpo:plsq=on:fde=unused:e2e=on:si=on:spb=goal_then_units:acc=on:urr=on:uwa=off:fd=preordered:s2agt=16:slsqc=1:slsq=on:random_seed=929649710:hsq=on:hsqr=16,1:s2a=on:i=853:add=off:bd=all:nm=64:rtra=on:gtg=position:c=on:ntd=on_2994 on theBenchmark for (2994ds/853Mi)
% 6.18/1.34  % (4055410)dis+1003_3:4_to=kbo:plsq=on:prc=on:sims=off:e2e=on:si=on:spb=intro:acc=on:urr=on:uwa=off:foolp=on:s2agt=32:slsqc=3:slsq=on:random_seed=4076237599:hsq=on:hsqr=16,1:s2a=on:i=45:erml=3:slsql=off:rtra=on:gtg=exists_top:er=filter:ntd=on_2994 on theBenchmark for (2994ds/45Mi)
% 6.18/1.34  % (4055411)lrs+1002_1_sil=128000:fde=unused:e2e=on:si=on:sos=on:uwa=interpreted_only:random_seed=2241668099:i=480:rtra=on_2994 on theBenchmark for (2994ds/480Mi)
% 6.18/1.34  % (4055410)Instruction limit reached! 
% 6.18/1.34  % (4055410)------------------------------
% 6.18/1.34  % (4055410)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.18/1.34  % (4055410)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.18/1.34  % (4055410)CaDiCaL version: 2.1.3
% 6.18/1.34  % (4055410)Termination reason: Instruction limit
% 6.18/1.34  % (4055410)Termination phase: Preprocessing 3
% 6.18/1.34  % (4055410)Time elapsed: 0.037 s
% 6.18/1.34  % (4055410)Peak memory usage: 11 MB
% 6.18/1.34  % (4055410)Instructions burned: 46 (million)
% 6.18/1.34  % (4055396)Instruction limit reached! 
% 6.18/1.34  % (4055396)------------------------------
% 6.18/1.34  % (4055396)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.18/1.34  % (4055396)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.18/1.34  % (4055396)CaDiCaL version: 2.1.3
% 6.18/1.34  % (4055396)Termination reason: Instruction limit
% 6.18/1.34  % (4055396)Termination phase: Saturation
% 6.18/1.34  % (4055396)Time elapsed: 0.149 s
% 6.18/1.34  % (4055396)Peak memory usage: 14 MB
% 6.18/1.34  % (4055396)Instructions burned: 182 (million)
% 6.18/1.34  % (4055328)Instruction limit reached! 
% 6.18/1.34  % (4055328)------------------------------
% 6.18/1.34  % (4055328)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.18/1.34  % (4055328)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.18/1.34  % (4055328)CaDiCaL version: 2.1.3
% 6.18/1.34  % (4055328)Termination reason: Instruction limit
% 6.18/1.34  % (4055328)Termination phase: Saturation
% 6.18/1.34  % (4055328)Time elapsed: 0.587 s
% 6.18/1.34  % (4055328)Peak memory usage: 19 MB
% 6.18/1.34  % (4055328)Instructions burned: 634 (million)
% 6.18/1.34  % (4055416)WARNING Broken Constraint: if sine_level_split_queue_cutoffs(2) has been set then sine_level_split_queue(off) is equal to on
% 6.18/1.34  % (4055415)dis+1010_40_sil=128000:si=on:uwa=off:nwc=1:sac=on:chr=on:avsqc=3:random_seed=4212701288:avsq=on:i=21:avsqr=8,1:kws=frequency:fgj=on:bd=all:rtra=on:fe=axiom:ntd=on_2993 on theBenchmark for (2993ds/21Mi)
% 6.18/1.34  % (4055416)ott+1002_3_si=on:sp=weighted_frequency:spb=goal:cbe=off:slsqc=2:random_seed=3294370094:cts=off:uwa_fpi=on:i=200:av=off:fsr=off:rtra=on:ntd=on_2993 on theBenchmark for (2993ds/200Mi)
% 6.18/1.34  % (4055415)Instruction limit reached! 
% 6.18/1.34  % (4055415)------------------------------
% 6.18/1.34  % (4055415)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.18/1.34  % (4055415)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.18/1.34  % (4055415)CaDiCaL version: 2.1.3
% 6.18/1.34  % (4055415)Termination reason: Instruction limit
% 6.18/1.34  % (4055415)Termination phase: shuffling
% 6.65/1.47  % (4055415)Time elapsed: 0.018 s
% 6.65/1.47  % (4055415)Peak memory usage: 10 MB
% 6.65/1.47  % (4055415)Instructions burned: 21 (million)
% 6.65/1.47  % (4055418)lrs+10_1_sil=128000:fde=unused:si=on:random_seed=66360029:s2a=on:i=13:kws=inv_frequency:bd=all:rtra=on_2993 on theBenchmark for (2993ds/13Mi)
% 6.65/1.47  % (4055418)Instruction limit reached! 
% 6.65/1.47  % (4055418)------------------------------
% 6.65/1.47  % (4055418)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.65/1.47  % (4055418)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.65/1.47  % (4055418)CaDiCaL version: 2.1.3
% 6.65/1.47  % (4055418)Termination reason: Instruction limit
% 6.65/1.47  % (4055418)Termination phase: shuffling
% 6.65/1.47  % (4055418)Time elapsed: 0.012 s
% 6.65/1.47  % (4055418)Peak memory usage: 10 MB
% 6.65/1.47  % (4055418)Instructions burned: 13 (million)
% 6.65/1.47  % (4055420)lrs+1010_1_anc=none:slsqr=1,2:sil=128000:cnfonf=conj_eager:sas=cadical:si=on:hi=on:uwa=one_side_interpreted:rp=on:nwc=2:slsqc=3:slsq=on:random_seed=1040459112:i=66:s2at=3:nm=2:rtra=on:rawr=on_2993 on theBenchmark for (2993ds/66Mi)
% 6.65/1.47  % (4055422)lrs+1004_128_si=on:sos=all:uwa=off:random_seed=3216193053:i=51:fsr=off:rtra=on_2992 on theBenchmark for (2992ds/51Mi)
% 6.65/1.47  % (4055411)Refutation not found, incomplete strategy
% 6.65/1.47  % (4055411)------------------------------
% 6.65/1.47  % (4055411)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.65/1.47  % (4055411)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.65/1.47  % (4055411)CaDiCaL version: 2.1.3
% 6.65/1.47  % (4055411)Termination reason: Refutation not found, incomplete strategy
% 6.65/1.47  % (4055411)Time elapsed: 0.153 s
% 6.65/1.47  % (4055411)Peak memory usage: 15 MB
% 6.65/1.47  % (4055411)Instructions burned: 170 (million)
% 6.65/1.47  % (4055411)------------------------------
% 6.65/1.47  % (4055411)------------------------------
% 6.65/1.47  % (4055420)Instruction limit reached! 
% 6.65/1.47  % (4055420)------------------------------
% 6.65/1.47  % (4055420)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.65/1.47  % (4055420)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.65/1.47  % (4055420)CaDiCaL version: 2.1.3
% 6.65/1.47  % (4055420)Termination reason: Instruction limit
% 6.65/1.47  % (4055420)Termination phase: Property scanning
% 6.65/1.47  % (4055420)Time elapsed: 0.052 s
% 6.65/1.47  % (4055420)Peak memory usage: 11 MB
% 6.65/1.47  % (4055420)Instructions burned: 66 (million)
% 6.65/1.47  % (4055422)Instruction limit reached! 
% 6.65/1.47  % (4055422)------------------------------
% 6.65/1.47  % (4055422)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.65/1.47  % (4055422)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.65/1.47  % (4055422)CaDiCaL version: 2.1.3
% 6.65/1.47  % (4055422)Termination reason: Instruction limit
% 6.65/1.47  % (4055422)Termination phase: Property scanning
% 6.65/1.47  % (4055422)Time elapsed: 0.042 s
% 6.65/1.47  % (4055422)Peak memory usage: 11 MB
% 6.65/1.47  % (4055422)Instructions burned: 51 (million)
% 6.65/1.47  % (4055425)dis+1002_64_sil=128000:cnfonf=lazy_not_gen_be_off:si=on:cbe=off:uwa=off:nwc=0.5:random_seed=2837729849:i=31:kws=inv_frequency:bd=all:rtra=on:ntd=on_2992 on theBenchmark for (2992ds/31Mi)
% 6.65/1.47  % (4055405)Instruction limit reached! 
% 6.65/1.47  % (4055405)------------------------------
% 6.65/1.47  % (4055405)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.65/1.47  % (4055405)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.65/1.47  % (4055405)CaDiCaL version: 2.1.3
% 6.65/1.47  % (4055405)Termination reason: Instruction limit
% 6.65/1.47  % (4055405)Termination phase: Saturation
% 6.65/1.47  % (4055405)Time elapsed: 0.250 s
% 6.65/1.47  % (4055405)Peak memory usage: 15 MB
% 6.65/1.47  % (4055405)Instructions burned: 317 (million)
% 6.65/1.47  % (4055426)dis+1010_40_to=kbo:tgt=full:fde=unused:si=on:sp=const_frequency:lma=off:cbe=off:uwa=interpreted_only:random_seed=3456492300:i=137:kws=precedence:bd=all:rtra=on:c=on:ntd=on_2992 on theBenchmark for (2992ds/137Mi)
% 6.65/1.47  % (4055425)Instruction limit reached! 
% 6.65/1.47  % (4055425)------------------------------
% 6.65/1.47  % (4055425)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.65/1.47  % (4055425)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.65/1.47  % (4055425)CaDiCaL version: 2.1.3
% 6.65/1.47  % (4055425)Termination reason: Instruction limit
% 6.65/1.47  % (4055425)Termination phase: Property scanning
% 6.65/1.47  % (4055425)Time elapsed: 0.027 s
% 6.65/1.47  % (4055425)Peak memory usage: 10 MB
% 6.65/1.47  % (4055425)Instructions burned: 31 (million)
% 6.65/1.47  % (4055427)dis+10_2_sil=128000:plsq=on:plsqc=1:cnfonf=lazy_pi_sigma_gen:si=on:sp=occurrence:plsqr=5,1:bsr=on:plsql=on:random_seed=230833968:cond=on:i=34:hud=10:nm=10:rtra=on_2992 on theBenchmark for (2992ds/34Mi)
% 6.65/1.47  % (4055429)lrs+1010_1_sil=128000:hsqc=4:si=on:sos=on:random_seed=2319639270:hsq=on:i=67:hsqaw=5:rtra=on:fe=abstraction:ntd=on_2992 on theBenchmark for (2992ds/67Mi)
% 6.65/1.47  % (4055416)Instruction limit reached! 
% 6.65/1.47  % (4055416)------------------------------
% 6.65/1.47  % (4055416)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.65/1.47  % (4055416)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.65/1.47  % (4055416)CaDiCaL version: 2.1.3
% 6.65/1.47  % (4055416)Termination reason: Instruction limit
% 6.65/1.47  % (4055416)Termination phase: Saturation
% 6.65/1.47  % (4055416)Time elapsed: 0.169 s
% 6.65/1.47  % (4055416)Peak memory usage: 14 MB
% 6.65/1.47  % (4055416)Instructions burned: 200 (million)
% 6.65/1.47  % (4055431)WARNING Broken Constraint: if sine_generality_threshold(60) has been set then sine_selection(off) is not equal to off
% 6.65/1.47  % (4055427)Instruction limit reached! 
% 6.65/1.47  % (4055427)------------------------------
% 6.65/1.47  % (4055427)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.65/1.47  % (4055427)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.65/1.47  % (4055427)CaDiCaL version: 2.1.3
% 6.65/1.47  % (4055427)Termination reason: Instruction limit
% 6.65/1.47  % (4055427)Termination phase: Property scanning
% 6.65/1.47  % (4055427)Time elapsed: 0.029 s
% 6.65/1.47  % (4055427)Peak memory usage: 10 MB
% 6.65/1.47  % (4055427)Instructions burned: 34 (million)
% 6.65/1.47  % (4055431)dis+21_1_to=lpo:sil=128000:cnfonf=lazy_not_gen_be_off:si=on:sp=unary_frequency:bsr=on:random_seed=318133414:i=180:hud=16:bd=all:fsr=off:rtra=on:sgt=60:ntd=on_2991 on theBenchmark for (2991ds/180Mi)
% 6.65/1.47  % (4055386) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-4055320-4055386"...
% 6.65/1.47  % (4055434)lrs+1002_1_sil=128000:si=on:uwa=off:random_seed=1449647877:st=2:i=246:sd=3:rtra=on:ss=axioms_2991 on theBenchmark for (2991ds/246Mi)
% 6.65/1.47  % (4055435)lrs+10_7_sil=128000:tgt=full:si=on:lma=off:uwa=off:nwc=1:sac=on:random_seed=1827272838:cond=on:i=96:bd=all:rtra=on_2991 on theBenchmark for (2991ds/96Mi)
% 6.65/1.47  % (4055429)Instruction limit reached! 
% 6.65/1.47  % (4055429)------------------------------
% 6.65/1.47  % (4055429)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.65/1.47  % (4055429)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.65/1.47  % (4055429)CaDiCaL version: 2.1.3
% 6.65/1.47  % (4055429)Termination reason: Instruction limit
% 6.65/1.47  % (4055429)Termination phase: Function definition elimination
% 6.65/1.47  % (4055429)Time elapsed: 0.054 s
% 6.65/1.47  % (4055429)Peak memory usage: 11 MB
% 6.65/1.47  % (4055429)Instructions burned: 67 (million)
% 6.65/1.47  % (4055426)Instruction limit reached! 
% 6.65/1.47  % (4055426)------------------------------
% 6.65/1.47  % (4055426)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.65/1.47  % (4055426)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.65/1.47  % (4055426)CaDiCaL version: 2.1.3
% 6.65/1.47  % (4055426)Termination reason: Instruction limit
% 6.65/1.47  % (4055426)Termination phase: Saturation
% 6.65/1.47  % (4055426)Time elapsed: 0.112 s
% 6.65/1.47  % (4055426)Peak memory usage: 13 MB
% 6.65/1.47  % (4055426)Instructions burned: 137 (million)
% 6.65/1.47  % (4055439)lrs+10_1_sil=128000:si=on:sos=on:urr=on:random_seed=4148914538:i=427:sd=1:rtra=on:ss=axioms_2991 on theBenchmark for (2991ds/427Mi)
% 6.65/1.47  % (4055440)dis+1010_1_sil=128000:si=on:uwa=off:random_seed=860340030:st=3:s2a=on:i=874:sd=3:rtra=on:ss=axioms_2990 on theBenchmark for (2990ds/874Mi)
% 6.65/1.47  % (4055435)Instruction limit reached! 
% 6.65/1.47  % (4055435)------------------------------
% 6.65/1.47  % (4055435)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.65/1.47  % (4055435)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.65/1.47  % (4055435)CaDiCaL version: 2.1.3
% 6.65/1.47  % (4055435)Termination reason: Instruction limit
% 6.65/1.47  % (4055435)Termination phase: Property scanning
% 6.65/1.47  % (4055435)Time elapsed: 0.076 s
% 6.65/1.47  % (4055435)Peak memory usage: 12 MB
% 6.65/1.47  % (4055435)Instructions burned: 97 (million)
% 6.65/1.47  % (4055409)Instruction limit reached! 
% 6.65/1.47  % (4055409)------------------------------
% 6.65/1.47  % (4055409)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.65/1.47  % (4055409)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.65/1.47  % (4055409)CaDiCaL version: 2.1.3
% 6.65/1.47  % (4055409)Termination reason: Instruction limit
% 6.65/1.47  % (4055409)Termination phase: Saturation
% 6.65/1.47  % (4055409)Time elapsed: 0.401 s
% 6.65/1.47  % (4055409)Peak memory usage: 20 MB
% 6.65/1.47  % (4055409)Instructions burned: 854 (million)
% 6.65/1.47  % (4055444)lrs+1002_1_cnfonf=lazy_pi_sigma_gen:si=on:uwa=off:random_seed=295089810:st=1.5:i=130:rtra=on:ss=axioms_2990 on theBenchmark for (2990ds/130Mi)
% 6.65/1.47  % (4055443)dis+1010_4_sas=cadical:si=on:cbe=off:nwc=20:random_seed=1301862359:st=6:s2a=on:i=515:sd=2:nm=2:rtra=on:ss=axioms_2990 on theBenchmark for (2990ds/515Mi)
% 6.65/1.47  % (4055431)Instruction limit reached! 
% 6.65/1.47  % (4055431)------------------------------
% 6.65/1.47  % (4055431)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.65/1.47  % (4055431)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.65/1.47  % (4055431)CaDiCaL version: 2.1.3
% 6.65/1.47  % (4055431)Termination reason: Instruction limit
% 6.65/1.47  % (4055431)Termination phase: Saturation
% 6.65/1.47  % (4055431)Time elapsed: 0.153 s
% 6.65/1.47  % (4055431)Peak memory usage: 13 MB
% 6.65/1.47  % (4055431)Instructions burned: 181 (million)
% 6.65/1.47  % (4055447)ott+1004_1_sil=128000:cnfonf=lazy_pi_sigma_gen:si=on:sp=unary_frequency:cbe=off:uwa=off:nwc=1:random_seed=3439159253:i=44:ep=R:rtra=on:ntd=on_2989 on theBenchmark for (2989ds/44Mi)
% 6.65/1.47  % (4055444)Instruction limit reached! 
% 6.65/1.47  % (4055444)------------------------------
% 6.65/1.47  % (4055444)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.65/1.47  % (4055444)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.65/1.47  % (4055444)CaDiCaL version: 2.1.3
% 6.65/1.47  % (4055444)Termination reason: Instruction limit
% 6.65/1.47  % (4055444)Termination phase: Saturation
% 6.65/1.47  % (4055444)Time elapsed: 0.052 s
% 6.65/1.47  % (4055444)Peak memory usage: 12 MB
% 6.65/1.47  % (4055444)Instructions burned: 130 (million)
% 6.65/1.47  % (4055449)lrs+1010_8:1_sil=128000:fde=unused:e2e=on:si=on:sos=on:urr=on:uwa=one_side_constant:fd=off:random_seed=2652856675:s2a=on:i=571:nm=16:rtra=on_2989 on theBenchmark for (2989ds/571Mi)
% 6.65/1.47  % (4055447)Instruction limit reached! 
% 6.65/1.47  % (4055447)------------------------------
% 6.65/1.47  % (4055447)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.65/1.47  % (4055447)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.65/1.47  % (4055447)CaDiCaL version: 2.1.3
% 6.65/1.47  % (4055447)Termination reason: Instruction limit
% 6.65/1.47  % (4055447)Termination phase: Property scanning
% 6.65/1.47  % (4055447)Time elapsed: 0.036 s
% 6.65/1.47  % (4055447)Peak memory usage: 10 MB
% 6.65/1.47  % (4055447)Instructions burned: 44 (million)
% 6.65/1.47  % (4055434)Instruction limit reached! 
% 6.65/1.47  % (4055434)------------------------------
% 6.65/1.47  % (4055434)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.65/1.47  % (4055434)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.65/1.47  % (4055434)CaDiCaL version: 2.1.3
% 6.65/1.47  % (4055434)Termination reason: Instruction limit
% 6.65/1.47  % (4055434)Termination phase: Saturation
% 6.65/1.47  % (4055434)Time elapsed: 0.208 s
% 6.65/1.47  % (4055434)Peak memory usage: 14 MB
% 6.65/1.47  % (4055434)Instructions burned: 247 (million)
% 6.65/1.47  % (4055386)...printing done.
% 6.65/1.47  % (4055386)Refutation found. Thanks to Tanya!
% 6.65/1.47  % SZS status Theorem for theBenchmark
% 6.65/1.47  % SZS output start Proof for theBenchmark
% See solution above
% 6.65/1.49  % (4055386)------------------------------
% 6.65/1.49  % (4055386)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.65/1.49  % (4055386)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.65/1.49  % (4055386)CaDiCaL version: 2.1.3
% 6.65/1.49  % (4055386)Termination reason: Refutation
% 6.65/1.49  % (4055386)Time elapsed: 0.712 s
% 6.65/1.49  % (4055386)Peak memory usage: 17 MB
% 6.65/1.49  % (4055386)Instructions burned: 865 (million)
% 6.65/1.49  % (4055320)Success in time 1.094 s
% 6.65/1.49  % Vampire exiting
%------------------------------------------------------------------------------